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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 48. Отображено 48.
13-08-2014 дата публикации

Angelica polysaccharide, extraction and purification method thereof and application of angelica polysaccharide as tobacco humectant

Номер: CN103980381A
Автор: CHEN ZHIFEI, MA YUPING, LU CHANGTONG, SUN ZHITAO, HAO HUI, YANG JINCHU, WANG MORAN
Принадлежит:

The invention relates to an angelica polysaccharide as well as an extraction and purification method thereof. The extraction and purification method concretely comprises the steps of carrying out Soxhlet extraction on smashed dry angelica by using diethyl ether, then, volatizing residues, and next, extracting the residues by using boiling water; centrifuging and centrifuging a boiling water extracting solution, carrying out ethanol precipitation on a supernatant, and standing; centrifuging again, collecting a sediment, and dissolving by using distilled water after washing; then, adding 0.1-0.2% of papain into a water bath with the temperature of 50+/-5 DEG C for 2-4h; removing proteins by using a Sevage method, and carrying out vacuum concentration after activated carbon decoloration; dialyzing flowing water after cooling; after dialysis is ended, carrying out ethanol precipitation again and standing, and drying the sediment at the temperature of 60-70 DEG C to obtain a crude polysaccharide ...

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Номер записи: 1
20-08-2014 дата публикации

Abelmoschus manihot alcohol extract and application of abelmoschus manihot alcohol extract in cigarettes

Номер: CN103989247A
Автор: CHEN ZHIFEI, SUN ZHITAO, LU CHANGTONG, ZHANG WENJUAN, QU ZHAN, MA JI, YANG WEIPING, XU XIUJUAN, NIE CONG
Принадлежит:

The invention relates to an abelmoschus manihot alcohol extract. The abelmoschus manihot alcohol extract is obtained by adopting the steps of using ethyl alcohol with 60-90% of volume concentration to extract dried and smashed abelmoschus manihot and performing solid-liquid separation after extraction is finished, wherein an extracting solution is the extract after being subject to vacuum concentration. On the basis that the original performance and a machining process of the cigarettes are not changed, the abelmoschus manihot alcohol extract is added in the cigarettes, the exquisite tenderness of smoke can be remarkably improved, miscellaneous gas and irritation of the smoke are reduced, the fragrance amount and sensory comfort level of the cigarettes are improved, and the whole smoking quality of the cigarettes is improved.

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Номер записи: 2
19-11-2014 дата публикации

Roasted sweet essence, preparation method thereof, and application thereof in cigarette

Номер: CN104152269A
Автор: MA YUPING, YANG JINCHU, ZHAO ZHIWEI, CHEN ZHIFEI, YU JIANCHUN, LI GUOZHENG, LI HUAIQI, SUN ZHITAO, LU CHANGTONG, HAO HUI, NIE CONG
Принадлежит:

The invention discloses a preparation method of a roasted sweet essence. The method comprises the following steps: sweet potatoes are roasted for 1-4h under a temperature of 120-200 DEG C in a baking oven; the sweet potatoes are peeled and crushed, such that sweet potato paste is obtained; an organic solvent with a volume 3-10 times that of the sweet potato paste is added; heating and reflux extraction are carried out for 1-3h under a temperature of 50-80 DEG C; an obtained roasted sweet potato extract liquid is subjected to primary and secondary molecular distillation under a certain condition, and an obtained light phase is the roasted sweet essence. The fragrance is pure roasted sweet. The method has low cost and simple process. The essence is uniformly sprayed on shredded tobacco with a cigarette flavoring process, such that cigarette roasted sweet fragrance can be highlighted, and smoking quality and sensory comfortableness can be improved.

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Номер записи: 3
13-08-2014 дата публикации

Astragalus polysaccharide, extracting and purifying method and application thereof as tobacco moistening agent

Номер: CN103980375A
Автор: CHEN ZHIFEI, MA YUPING, HAO HUI, LU CHANGTONG, SUN ZHITAO, YANG JINCHU, WANG MORAN
Принадлежит:

The invention relates to astragalus polysaccharide and an extracting and purifying method thereof. The extracting and purifying method comprises the steps: carrying out soxhlet extraction on the crushed dry astragalus membranaceus by utilizing ether, volatilizing the residues dry, extracting the dry residues by utilizing boiling water, concentrating and centrifuging the boiling water extraction liquid, collecting the supernatant, precipitating the supernatant by utilizing alcohol, standing, centrifuging again, collecting precipitate, washing, dissolving the precipitate by utilizing distilled water, adding 0.1-0.2% of papain, placing in a water bath with a temperature of 50+/- 5 DEG C for 2h to 4h, removing the protein by adopting a Sevage method;decoloring by utilizing active carbon, concentrating under reduced pressure, cooling and dialyzing by using flowing water; precipitating with alcohol again and standing; and drying the precipitate at the temperature of 60 to 70 DEG C to obtain crude ...

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Номер записи: 4
20-08-2014 дата публикации

Abelmoschus manihot aqueous extract and application thereof in cigarette

Номер: CN103992874A
Автор: CHEN ZHIFEI, SUN ZHITAO, ZHANG WENJUAN, NIE CONG, QU ZHAN, MA JI, HAO HUI, XU XIUJUAN, LU CHANGTONG, YANG WEIPING
Принадлежит:

The invention relates to an abelmoschus manihot aqueous extract, which is obtained by the following steps: drying and crushing abelmoschus manihot, and extracting by water; carrying out solid-liquid separation after extraction; carrying out vacuum concentration to obtain the extracting solution. Without changing original cigarette performance and processing technology, the abelmoschus manihot aqueous extract is added in cigarettes to improve softness of smoke, reduce impurity and excitant in smoke, improve aroma quantity and sensory comfort of cigarettes, and improve whole smoking quality of cigarettes.

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Номер записи: 5
11-02-2015 дата публикации

Monomer flavor Mal-Amb used for cigarettes as well as preparation method and application thereof

Номер: CN104341467A
Автор: LU CHANGTONG, CHEN ZHIFEI, LI CHENGGANG, SUN ZHITAO, LI YAOGUANG, LUO CANXUAN, LI HONGTAO
Принадлежит:

The invention relates to a novel monomer flavor Mal-Amb used for cigarettes as well as a preparation method and application thereof. A structural formula of Mal-Amb is shown in the specification. Through physical humectant property tests and inner sensory quality evaluation of the monomer flavor, the monomer flavor is found to have the function of obviously improving the physical humectant properties of cut tobaccos, also have the function of obviously improving the sensory quality of the cigarettes, reduce the irritation and the offensive odor and improve the mellowness and fullness of the cigarette smoke.

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Номер записи: 6
11-02-2015 дата публикации

Monomer flavor Mal-Ile used for cigarettes as well as preparation method and application thereof

Номер: CN104341463A
Автор: LU CHANGTONG, CHEN ZHIFEI, SUN ZHITAO, LI YAOGUANG, LUO CANXUAN, ZHAO ZHIWEI, LI CHENGGANG
Принадлежит:

The invention relates to a novel monomer flavor Mal-Ile used for cigarettes as well as a preparation method and application thereof. A structural formula of Mal-Ile is shown in the specification. Through physical humectant property tests of cigarettes and inner sensory quality evaluation of finished cigarettes, the monomer flavor is found to be capable of obviously improving the physical humectant properties of cut tobaccos, also have the function of obviously improving the sensory quality of the cigarettes and be capable of reducing the irritation and offensive odors of the cigarettes and improving the mellowness and fullness of the cigarette smoke.

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Номер записи: 7
10-09-2014 дата публикации

Ophiopogonpolysaccharide, extraction and purification method of ophiopogonpolysaccharide and application of ophiopogonpolysaccharide as tobacco humectant

Номер: CN104031162A
Автор: CHEN ZHIFEI, LU CHANGTONG, SUN ZHITAO, HAO HUI, LIU QIANG, GUO LIXIA, SU DONGYING
Принадлежит:

The invention relates to ophiopogonpolysaccharide and an extraction and purification method of ophiopogonpolysaccharide. The method specifically comprises the following steps: carrying out Soxhlet extraction on smashed dried radix ophiopogonis by using ether; volatilizing residues and extracting by using boiled water; concentrating and centrifugalizing the boiled water-extracted liquid; carrying out alcohol precipitation on supernate and standing; centrifuging again and collecting precipitates; washing, dissolving with distilled water; then adding 0.1-0.2% of papain into a water bath with a temperature of 50+/-5 DEG C and standing for 2-4 hours; removing protein by a Sevage method; decoloring by using active carbon, and concentrating under reduced pressure; cooling and carrying out dialysis by running water; after dialysis, carrying out alcohol precipitation and standing again; and drying the precipitates at 60-70 DEG C to obtain coarse polysaccharide. The test verifies that the ophiopogonpolysaccharide ...

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Номер записи: 8
17-09-2014 дата публикации

Flammulina velutipes polysaccharide and extracting and purifying method thereof as well as application of flammulina velutipes polysaccharide as tobacco humectant

Номер: CN104045731A
Автор: CHEN ZHIFEI, LIU QIANG, LU CHANGTONG, ZHAO YONGZHEN, ZHOU HAO, HAO HUI, SUN ZHITAO
Принадлежит:

The invention relates to a flammulina velutipes polysaccharide and an extracting and purifying method thereof. The extracting and purifying method particularly comprises the following steps of: carrying out Soxhlet extraction on crushed dry flammulina velutipes by using diethyl ether, then spin-drying residues, and then extracting by using boiling water; concentrating and centrifugalizing a boiling water extracting solution; carrying out ethanol precipitation standing on a supernatant, and collecting precipitates by centrifugalizing again; washing, and then dissolving by using distilled water; then adding 0.001-0.002% of papain to a 50+/-5 DEG C water bath, standing for 2-4 hours, and removing the protein by adopting a Sevage method; carrying out reduced pressure concentration after active carbon is decolored; cooling, and then carrying out running water dialysis; carrying out the ethanol precipitation standing again after the dialysis is finished, and drying the precipitates at 60-70 DEG ...

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Номер записи: 9
10-12-2014 дата публикации

Method for predicting water activity of mixed system of tobaccos and tobacco products as well as moisture content of each component

Номер: CN104198318A
Автор: MA JI, MA YUPING, CUI KAI, CHEN ZHIFEI, SUN ZHITAO, LU CHANGTONG, ZHANG ZHAN, ZHAO MINGYUE, HU YOUCHI, HU JUN, LIU SHAN, ZHANG JIANXUN, ZONG YONGLI, QU ZHAN, HE BAOJIANG, HUO XIANKUAN, YANG WEIPING
Принадлежит:

The invention relates to a method for predicting the water activity of a mixed system of tobaccos and tobacco products as well as the moisture content of each component. The method is characterized by comprising the steps of drawing a moisture-absorption isothermal working curve of each component of the tobaccos and the tobacco products before mixing, acquiring relevant parameters of a moisture-absorption isothermal working curve equation of each component by virtue of a DLP (double log polynomial) model, calculating parameters of the DLP model of the mixed system according to the dry weight proportion of each component, establishing a moisture-absorption isothermal working curve equation of the mixed system, and predicting the equilibrium water activity of the mixed system and the equilibrium moisture content of each component of the mixed system. The method has the beneficial effects that the method for predicting the water activity of the mixed system of the tobaccos and the tobacco ...

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Номер записи: 10
06-08-2014 дата публикации

Ganoderan, extraction and purification method and application thereof as tobacco humectant

Номер: CN103965369A
Автор: CHEN ZHIFEI, HAO HUI, SUN ZHITAO, LU CHANGTONG, LIU QIANG, SONG JINYONG, ZHOU HAO, MA YUPING, NIE CONG
Принадлежит:

The invention discloses ganoderan and an extraction and purification method thereof. The method comprises the following steps: after carrying out Soxhlet extraction on smashed dried lucid ganoderma by ether, volatilizing residues and extracting by boiled water; concentrating and centrifugalizing a boiled water extraction liquid; taking supernate for ethanol precipitation and standing; then, centrifugalizing to collect precipitate again; washing and dissolving by distilled water; then, adding 0.1-0.2% of papain; and putting in a water bath at 50+/-5 DEG C for 2-4 hours; removing proteins by Sevage method; decoloring by activated carbon, decompressing and concentrating, and carrying out running water dialysis after cooling; after dialysis, carrying out ethanol precipitation again and standing; and drying the precipitate at 60-70 DEG C to obtain crude polysaccharide. Tests verify that the ganoderan disclosed by the invention has a good physically and sensitively moisturizing effect to cigarettes ...

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Номер записи: 11
13-08-2014 дата публикации

Pachymaran, extraction and purification method and application of pachymaran as tobacco humectant

Номер: CN103980376A
Автор: CHEN ZHIFEI, SUN ZHITAO, HAO HUI, LU CHANGTONG, YANG JINCHU, ZHOU HAO, MA YUPING, NIE CONG
Принадлежит:

The invention relates to a pachymaran and an extraction and purification method thereof. The method concretely comprises the following steps: carrying out soxhlet extraction on crushed dry tuckahoe by using a diethyl ether, then extracting by using boiled water after drying residues; concentrating and centrifuging a boiling water extract solution; taking supernate to carry out alcohol precipitation and standing; centrifuging and collecting sediments; dissolving by using distilled water after washing, and then adding 0.1-0.2% of nematolyt to place in a water bath at 50+/-5 DEG C for 2-4 hours; removing protein by adopting a Sevage method, carrying out vacuum concentration after decoloring activated carbon, and carrying out water dialysis after cooling; carrying out alcohol precipitation and standing again after dialysis is ended, and drying the sediments at 60-70 DEG C to obtain crude polysaccharide. The test proves that the lycium barbarum polysaccharide has good physical and sensory embellishing ...

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Номер записи: 12
19-11-2014 дата публикации

Sugar cane juice Maillard reaction product, preparation method thereof and application thereof to cigarettes

Номер: CN104152265A
Автор: MA YUPING, YU JIANCHUN, YANG JINCHU, CHEN ZHIFEI, LI YAOGUANG, SONG JINYONG, HAO HUI, ZHAO ZHIWEI, SUN ZHITAO, LU CHANGTONG, NIE CONG
Принадлежит:

The invention discloses a preparation method of a sugar cane juice Maillard reaction product. The method comprises the steps of cleaning, squeezing, filtering, enzymatic hydrolysis, concentrating, reacting and the like. Sugar cane is subjected to cleaning, squeezing, filtering, enzymatic hydrolysis and concentrating, and undergoes a Maillard reaction with proline at the temperature of 110-130 DEG C. The prepared sugar cane juice Maillard reaction product is uniformly sprayed onto tobacco shreds in a cigarette feeding procedure, so that the sweet flavor of cigarettes is highlighted, the smoking quality and feel comfort of the cigarettes are improved, the fragrance of the cigarettes is improved remarkably, the aftertaste is improved, and the irritation and offensive odor are reduced greatly. The product is low in cost, is simple in process, is high in safety, and is worthy of industry-wide popularization and application.

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Номер записи: 13
11-02-2015 дата публикации

Monomer flavor Mal-Val used for cigarettes as well as preparation method and application thereof

Номер: CN104341466A
Автор: LU CHANGTONG, CHEN ZHIFEI, LI CHENGGANG, ZHAO YONGZHEN, SUN JIUZHE, SUN ZHITAO, LI HONGTAO
Принадлежит:

The invention relates to a novel monomer flavor Mal-Val used for cigarettes as well as a preparation method and application thereof. A structure of Mal-Val is shown in the specification. Through physical humectant property tests and inner sensory quality evaluation of the monomer flavor, the monomer flavor is found to have the function of obviously improving the physical humectant properties of cut tobaccos, also have the function of obviously improving the sensory quality of the cigarettes, reduce the irritation and the offensive odor, and improve the mellowness and fullness of the cigarette smoke.

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Номер записи: 14
08-10-2014 дата публикации

Althaea rosea flower extract coproduction preparation method and applications thereof

Номер: CN104087421A
Автор: ZHANG WENJUAN, ZHANG JIANXUN, PENG GUIXIN, MA YUPING, YU JIANCHUN, HUANG GUANGFU, ZONG YONGLI, QU ZHAN, CHEN ZHIFEI, YANG WEIPING, XU XIUJUAN, LU CHANGTONG, SUN ZHITAO
Принадлежит:

The invention discloses an althaea rosea flower extract coproduction preparation method. By taking althaea rosea flowers as raw materials, two tobacco flavors are prepared step by step from the same batch of raw material, wherein the preparation steps include extraction and separation. The preparation method particularly comprises the following steps: a. removing impurities from the dried althaea rosea flowers and crushing; b. extracting and concentrating with ethanol to obtain ethanol extract of althaea rosea flower; c. extracting the alcohol-extracted residues by using ammonium water solution; and d. cooling, regulating pH value with hydrochloric acid, and adding an enzyme preparation for conducting constant-temperature reaction; and conducting heating digestion and reduced-pressure concentration to obtain aqueous extract concentrated liquor of althaea rosea flower. The preparation method is mostly characterized in that the two novel tobacco flavors (alcohol extract of althaea rosea flower ...

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Номер записи: 15
10-09-2014 дата публикации

Sea buckthorn polysaccharide and extraction and purification method thereof, and application of sea buckthorn polysaccharide as tobacco humectant

Номер: CN104031163A
Автор: CHEN ZHIFEI, LU CHANGTONG, SUN ZHITAO, LIU QIANG, ZHU ZHIZHI, SONG JINYONG, GUO LIXIA
Принадлежит:

The invention relates to a sea buckthorn polysaccharide and an extraction and purification method thereof. The method comprises the following steps: carrying out Soxhlet extraction on pulverized dry sea buckthorn with aether, volatilizing the residue, extracting with boiling water, concentrating the boiling water extracting solution, centrifugating, taking the supernate, carrying out alcohol precipitation, standing, centrifugating, collecting the precipitate, washing, dissolving in distilled water, adding 0.1-0.2% papain in a 50+/-5 DEG C water bath, standing for 2-4 hours, removing the protein by a Sevage process, decolorizing with activated carbon, concentrating under reduced pressure, cooling, carrying out running water dialysis, carrying out alcohol precipitation, standing, and drying the precipitate at 60-70 DEG C to obtain the crude polysaccharide. The test proves that the sea buckthorn polysaccharide has favorable physical and sensory humidifying actions on cigarettes, can lower ...

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Номер записи: 16
13-08-2014 дата публикации

Agaricus blazei polysaccharide, extraction-purification method of agaricus blazei polysaccharide, and application of agaricus blazei polysaccharide serving as tobacco humectant

Номер: CN103980378A
Автор: CHEN ZHIFEI, LU CHANGTONG, SUN ZHITAO, HAO HUI, YANG JINCHU, SONG JINYONG, ZHOU HAO, MA YUPING, NIE CONG
Принадлежит:

The invention relates to an agaricus blazei polysaccharide and an extraction-purification method thereof. The method comprises the following steps: performing Soxhlet extraction on crushed dry agaricus blazei by ethyl ether, evaporatively drying residues, performing extraction by boiling water to obtain a boiling water extract, concentrating and centrifuging the boiling water extract, performing ethanol-precipitation standing on a supernatant, centrifuging again to collect precipitates, washing the precipitates, dissolving the precipitates in distilled water, adding 1 per mill-2 per mill of papain to obtain a solution, placing the solution in a water bath of 50+/-5 DEG C for 2-4 hours, removing protein by a Sewage process, decoloring with active carbon, performing vacuum concentration, cooling, performing running water dialysis, performing ethanol-precipitation standing again, and drying the precipitates at the temperature of 60-70 DEG C, thereby obtaining coarse polysaccharide. Experiments ...

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Номер записи: 17
11-02-2015 дата публикации

Hydrophilic tobacco aroma enhancing humectant Mal-Gly as well as preparation method and application thereof

Номер: CN104341464A
Автор: CHEN ZHIFEI, LU CHANGTONG, SUN ZHITAO, HAO HUI, YANG JINCHU, MA YUPING
Принадлежит:

The invention belongs to the field of humectants for tobaccos and in particular relates to a novel hydrophilic tobacco aroma enhancing humectant Mal-Gly as well as a preparation method and application thereof. A structural formula of Mal-Gly is shown in the specification. Through physical humectant property tests and inner sensory quality evaluation of the compound, the compound is found to have the function of obviously improving the physical humectant properties of cut tobaccos, also have the function of obviously improving the sensory quality of the cigarettes, reduce the irritation and the offensive odor, and improve the mellowness and fullness of the cigarette smoke.

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Номер записи: 18
11-02-2015 дата публикации

Hydrophilic tobacco aroma enhancing humectant Mal-Ala as well as preparation method and application thereof

Номер: CN104341465A
Автор: CHEN ZHIFEI, LU CHANGTONG, SUN ZHITAO, HAO HUI, YANG JINCHU, MA YUPING
Принадлежит:

The invention belongs to the technical field of humectants used for tobaccos and in particular relates to a novel hydrophilic tobacco aroma enhancing humectant Mal-Ala as well as a preparation method and application thereof. A structural formula of Mal-Ala is shown in the specification. Through physical humectant property tests and inner sensory quality evaluation of the compound, the compound is found to have the function of obviously improving the physical humectant properties of cut tobaccos, also have the function of obviously improving the sensory quality of the cigarettes, reduce the irritation and the offensive odor and improve the mellowness and fullness of the cigarette smoke.

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Номер записи: 19
06-08-2014 дата публикации

Method for extracting and purifying Chinese date polysaccharide and application of Chinese date polysaccharide serving as tobacco humectant

Номер: CN103965370A
Автор: CHEN ZHIFEI, MA YUPING, LU CHANGTONG, HAO HUI, SUN ZHITAO, YANG JINCHU, ZHOU HAO, WANG YUFANG
Принадлежит:

The invention relates to Chinese date polysaccharide and a method for extracting and purifying the Chinese date polysaccharide. The method for extracting and purifying the Chinese date polysaccharide comprises the following concrete steps: carrying out Soxhlet extraction on smashed dried Chinese date, volatilizing and drying residue and then extracting with boiled water, carrying out concentration and centrifugation on a boiling water extracting solution, taking supernate and carrying out alcohol precipitation, standing, centrifuging again, collecting precipitate, dissolving with distilled water after washing, then adding 0.1-0.2% of papain, placing in water bath at the temperature of 50 minus or plus 5 DEG C for 2-4 hours, removing protein by adopting a Sevage method, decolorizing with activated carbon and then carrying out reduced pressure concentration, cooling, carrying out dialysis with running water, carrying out alcohol precipitation and standing again after dialysis is finished, ...

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Номер записи: 20
18-02-2015 дата публикации

Monomer spice Mal-Phe for tobacco as well as preparation method and application of monomer spice

Номер: CN104356174A
Автор: LU CHANGTONG, CHEN ZHIFEI, LI HONGTAO, LI CHENGGANG, LUO CANXUAN, ZHAO YONGZHEN, SUN ZHITAO
Принадлежит:

The invention relates to a novel monomer spice Mal-Phe for tobacco as well as a preparation method and application thereof. The structural formula of the Mal-Phe is shown in the specification. By performing physical moist keeping performance tests and inner sensory quality evaluation on the monomer spice, the novel monomer spice Mal-Phe has the effect of obviously improving the physical moist keeping performance of the tobacco, meanwhile the sensory quality of the tobacco is obviously improved, the irritation and offensive odor are reduced, and the mellow and full feeling of the smoke the tobacco is promoted.

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Номер записи: 21
04-06-2014 дата публикации

Method for measuring content of moisture of tobaccos through low-field nuclear magnetic resonance

Номер: CN103837560A
Автор: MA JI, CUI KAI, PENG GUIXIN, MA YUPING, YU JIANCHUN, CHEN ZHIFEI, SUN ZHITAO, LU CHANGTONG, ZONG YONGLI, QU ZHAN, HUO XIANKUAN, HE BAOJIANG
Принадлежит:

The invention discloses a method for measuring the content of moisture of tobaccos through low-field nuclear magnetic resonance. The method is characterized by comprising the following steps: measuring nuclear magnetic resonance FID signals of a series of CuSO4 solution samples containing different moisture masses, and fitting a standard measurement curve according to the FID signal amount and the corresponding moisture mass of each CuSO4 solution; performing the rapid and accurate measurement on a tobacco sample with the unknown content of the moisture, and converting the FID signal amount of the sample into the moisture mass according to the standard measurement curve, wherein the ratio of the moisture mass to the mass of the tobacco sample is the moisture of a tested sample. The method has the beneficial effects that compared with a conventional testing method, the method is high in testing speed and accurate in testing result, the sample pretreatment process and the sample shape requirement ...

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Номер записи: 22
28-01-2015 дата публикации

Monomeric spice Mal-Leu for cigarette as well as preparation method and application of monomeric spice Mal-Leu

Номер: CN104311609A
Автор: LU CHANGTONG, CHEN ZHIFEI, HAO HUI, LI HUAIQI, SUN ZHITAO, MA YUPING
Принадлежит:

The invention belongs to the field of essence spices and tobacco processing, and particularly relates to monomeric spice Mal-Leu for cigarette as well as a preparation method and an application of the monomeric spice Mal-Leu. The structural formula of the monomeric spice Mal-Leu for cigarette is as shown in the specification. According to the invention, physical moisture retention property test of the monomeric spice and inherent sensory quality evaluation of finished product cigarette are performed, so that the monomeric spice Mal-Leu can not only obviously improve the physical moisture retention property of the cut tobacco, has the effect of significantly improving the sensory quality of the cigarette, is capable of reducing the stimulation and miscellaneous gas of the cigarette and enhancing the mellow sense of cigarette.

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Номер записи: 23
13-08-2014 дата публикации

Morinda officinalis polysaccharide, extraction and purification method and application thereof as tobacco humectant

Номер: CN103980374A
Автор: CHEN ZHIFEI, SUN ZHITAO, LU CHANGTONG, HAO HUI, DING MEIZHOU, LIU QIANG, WANG MORAN, ZHOU HAO, MA YUPING
Принадлежит:

The invention relates to a morinda officinalis polysaccharide and an extraction and purification method thereof. The method specifically comprises the steps of carrying out Sohxlet extraction on pulverized dry morinda officinalis by using ether, volatilizing residue to dryness, extracting the dried residue with boiling water, concentrating and centrifuging the boiling water extract, performing ethanol precipitation and standing on the supernate, centrifuging again, collecting the sediment, washing the sediment with water, dissolving the sediment with distilled water, adding 0.1-0.2% of papain to a water bath of 50+/-5 DEG C and placing for 2-4h, removing protein by adopting a Sevage method, decolorizing with active carbon, concentrating under reduced pressure, cooling, performing running water dialysis, performing ethanol precipitation and standing again after the dialysis, and drying the sediment at 60-70 DEG C to obtain a crude polysaccharide. Experiments prove that the morinda officinalis ...

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Номер записи: 24
25-02-2015 дата публикации

Saccharide-derived flavor-enhancing humectant Mal-Pro for cigarettes, and preparation method and application thereof

Номер: CN104370986A
Автор: MA YUPING, LU CHANGTONG, CHEN ZHIFEI, CAI LILI, HAO HUI, SUN ZHITAO
Принадлежит:

The invention belongs to the field of humectants for cigarettes, and particularly relates to a saccharide-derived flavor-enhancing humectant Mal-Pro for cigarettes, and a preparation method and application thereof. The structural formula of the Mal-Pro is disclosed in the specification. The physical humidification performance testing and inherent esthetic quality evaluation on the compound detect that the compound has the function of obviously enhancing the physical humidification performance of the tobacco shred, has obviously improvement function on the esthetic quality of cigarettes, lowers the irritation and impurity gas and enhances the smoothness of the cigarette smoke.

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Номер записи: 25
11-02-2015 дата публикации

Monomer flavor Mal-Thr used for cigarettes as well as preparation method and application thereof

Номер: CN104341461A
Автор: LU CHANGTONG, CHEN ZHIFEI, LI HUAIQI, SONG JINYONG, SUN ZHITAO, MA YUPING
Принадлежит:

The invention relates to a novel monomer flavor Mal-Thr used for cigarettes as well as a preparation method and application thereof. A structure of Mal-Thr is shown in the specification. Through physical humectant property tests of cigarettes and inner sensory quality evaluation of finished cigarettes, the monomer flavor is found to be capable of obviously improving the physical humectant properties of cut tobaccos, also have the function of obviously improving the sensory quality of the cigarettes and be capable of reducing the irritation and offensive odors of the cigarettes and improving the mellowness and fullness of the cigarette smoke.

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Номер записи: 26
23-07-2014 дата публикации

Sweet potato essence and preparation method thereof as well as application of sweet potato essence in cigarette

Номер: CN103937607A
Автор: CHEN ZHIFEI, YANG JINCHU, LU CHANGTONG, HAO HUI, SUN ZHITAO, MA YUPING, NIE CONG, WANG MORAN, ZHANG ZHAN
Принадлежит:

The invention discloses a method for preparing sweet potato essence. The method comprises the following steps: mixing sweet potatoes and water to prepare sweet potato slurry, and filtering the sweet potato slurry under reduced pressure to obtain filtrate; concentrating the filtrate at the temperature of 45-55 DEG C and under the pressure of 60-80kPa to obtain a sweet potato concentrated extracting solution; prefreezing the sweet potato concentrated extracting solution at the temperature of 25 DEG C below zero to 15 DEG C below zero for 15-30 hours, vacuumizing to the pressure of 10-30Pa in vacuum freeze drying equipment, setting the heating temperature to be 30-50 DEG C, and drying for 18-36 hours to obtain a freeze-drying sample; baking the freeze-drying sample at the temperature of 60-350 DEG C for 2-8 hours to obtain the sweet potato flavor substance; and distilling, extracting and concentrating the sweet potato flavor substance to obtain the sweet potato essence. The preparation method ...

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Номер записи: 27
10-09-2014 дата публикации

Grifola frondosa polysaccharide and extraction and purification method thereof, and application of Grifola frondosa polysaccharide as tobacco humectant

Номер: CN104031165A
Автор: CHEN ZHIFEI, WANG WENLING, SUN ZHITAO, LU CHANGTONG, HAO HUI, YANG FENG, ZHU ZHIZHI
Принадлежит:

The invention relates to a Grifola frondosa polysaccharide and an extraction and purification method thereof. The method comprises the following steps: carrying out Soxhlet extraction on pulverized dry Grifola frondosa with aether, volatilizing the residue, extracting with boiling water, concentrating the boiling water extracting solution, centrifugating, taking the supernate, carrying out alcohol precipitation, standing, centrifugating, collecting the precipitate, washing, dissolving in distilled water, adding 0.1-0.2% papain in a 50+/-5 DEG C water bath, standing for 2-4 hours, removing the protein by a Sevage process, decolorizing with activated carbon, concentrating under reduced pressure, cooling, carrying out running water dialysis, carrying out alcohol precipitation, standing, and drying the precipitate at 60-70 DEG C to obtain the crude polysaccharide. The test proves that the Grifola frondosa polysaccharide has favorable physical and sensory humidifying actions on cigarettes, can ...

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Номер записи: 28
11-02-2015 дата публикации

Sugar derived aroma enhancing humectant Mal-Trp used for tobaccos as well as preparation method and application thereof

Номер: CN104341462A
Автор: MA YUPING, CHEN ZHIFEI, LU CHANGTONG, CAI LILI, SUN ZHITAO, HAO HUI
Принадлежит:

The invention belongs to the technical field of humectants used for tobaccos and in particular relates to a sugar derived aroma enhancing humectant Mal-Trp used for tobaccos as well as a preparation method and application thereof. A structural formula of Mal-Trp is shown in the specification. Through physical humectant property tests and inner sensory quality evaluation of the compound, the compound is found to have the function of obviously improving the physical humectant properties of cut tobaccos, also have the function of obviously improving the sensory quality of the cigarettes, reduce the irritation and the offensive odor and improve the mellowness and fullness of the cigarette smoke.

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Номер записи: 29
10-09-2014 дата публикации

Gingko polysaccharide, extraction and purification method and application of gingko polysaccharide as tobacco humectant

Номер: CN104031160A
Автор: CHEN ZHIFEI, SUN ZHITAO, WANG WENLING, LU CHANGTONG, YANG FENG, HAO HUI, SONG JINYONG
Принадлежит:

The invention relates to a gingko polysaccharide and an extraction and purification method thereof. The method concretely comprises the following steps: carrying out Soxhlet extraction on the crushed dry gingko by using diethyl ether, drying residues and then extracting by using boiling water; concentrating and centrifuging a boiling water extracting liquid; taking supernate and carrying out alcohol precipitation and standing, centrifugally collecting sediments again, and dissolving by using distilled water after washing; adding 0.1-0.2% of papain and placing in a water bath at 50+/-5 DEG C for 2-4 hours; removing proteins by adopting a Sevage method, carrying out vacuum concentration after decoloring by activated carbon, carrying out flow dialysis after cooling, and carrying out alcohol precipitation and standing again after dialysis is ended; and drying the sediments at 60-70 DEG C to obtain crude polysaccharide. The experiment proves that the gingko polysaccharide disclosed by the invention ...

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Номер записи: 30
25-02-2015 дата публикации

Cigarette monomer spice Mal-Ser as well as preparation method and application thereof

Номер: CN104370979A
Автор: LU CHANGTONG, CHEN ZHIFEI, SUN ZHITAO, LI HUAIQI, SONG JINYONG, MA YUPING
Принадлежит:

The invention discloses a novel hydrophilic cigarette monomer spice Mal-Ser as well as a preparation method and application thereof. The Mal-Ser has a structural formula shown in the specification. The method is used for testing physical moisture keeping performance of cigarettes on the monomer spice and evaluating intrinsic aesthetic quality of cigarette finished products, and the test and evaluation find that the monomer spice not only can significantly improve the physical moisture keeping performance of tobaccos but also has an effect of significantly improving the aesthetic quality of cigarettes, so that irritability and offensive odors of the cigarettes can be reduced and the smoke mellow feeling of the cigarettes can be promoted.

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Номер записи: 31
09-09-2015 дата публикации

Carboxymethylation astragalus polysaccharide, synthesis and purification method and application of carboxymethylation astragalus polysaccharide as tobacco humectant

Номер: CN104892788A
Автор: SUN ZHITAO, CHEN ZHIFEI, LU CHANGTONG, HAO HUI, SONG JINYONG, LIU QIANG
Принадлежит:

The invention relates to a synthesis and purification method for a carboxymethylation astragalus polysaccharide. The synthesis and purification method includes steps of stirring and dissolving an astragalus polysaccharide and sodium hydroxide in solvents; adding chloroacetate into the solvents; stirring the chloroacetate and the solvents to allow the chloroacetate and the solvents to react with one another for 3-4h at the temperatures of 50-70 DEG C to obtain products; cooling the products; regulating a pH (potential of hydrogen) value of the products until the products are neutralized; carrying out ethanol precipitation on the products; filtering the products; collecting precipitates; dissolving the precipitates in water; carrying out ethanol precipitation on the precipitates; dialyzing the precipitates; freezing and drying the precipitates to obtain a white flocculent carboxymethylation astragalus crude polysaccharide. The synthesis and purification method has the advantages that as proved ...

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Номер записи: 32
11-08-2023 дата публикации

Preparation method and application of 8-hydroxypsoralen

Номер: CN116574109A
Автор: WANG QIULING, CHEN ZHIFEI, XI GAOLEI, WANG QINGFU, LU CHANGTONG, WANG ZENING, LIU QIANG, CAI LILI, LI SHAOHUA, ZHANG SHIYING
Принадлежит:

The invention discloses a preparation method and application of 8-hydroxypsoralen, and the preparation method comprises the following steps: (1) taking resorcinol and malic acid as raw materials, carrying out Pechmann condensation reaction to synthesize 7-hydroxycoumarin, (2) carrying out esterification reaction to generate 7-acetoxycoumarin, (3) carrying out Fries rearrangement reaction to prepare 7-hydroxy-8-acetylcoumarin, and (4) adding the 7-hydroxy-8-acetylcoumarin into the 7-hydroxy-8-acetylcoumarin to prepare the 8-hydroxypsoralen. The synthesis method comprises the following steps: (1) synthesizing 8-acetylcoumarin by adopting an etherification reaction, (2) preparing 6-allyl-7-hydroxy-8-acetylcoumarin by adopting a Claisen rearrangement reaction, (3) synthesizing 8-acetylpsoralen by adopting a cyclization reaction, and (7) synthesizing 8-hydroxypsoralen by adopting an oxidation reaction. The synthesis process is simple, the raw materials are cheap and easy to obtain, the product ...

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Номер записи: 33
10-09-2014 дата публикации

Kudzuvine flower polysaccharide, extraction and purification method and application thereof as tobacco humectant

Номер: CN104031167A
Автор: CHEN ZHIFEI, SUN ZHITAO, LU CHANGTONG, ZHAO YONGZHEN, HAO HUI, LIU QIANG, ZHOU HAO
Принадлежит:

The invention relates to kudzuvine flower polysaccharide and an extraction and purification method thereof. The method specifically comprises the following steps: performing Soxhlet extraction on crushed dry kudzuvine flower by using diethyl ether, volatilizing the residue, further extracting by using hot water, concentrating and centrifuging hot water extract, settling and standing supernate by using alcohol, further centrifuging to collect precipitate, washing, dissolving by using distilled water, further adding 0.1-0.2% of papain, putting into a water bath of 50+/-5 DEG C for 2-4 hours, removing protein by using a Sevage method, decoloring by using activated carbon, performing vacuum concentration, cooling, performing dialysis in flowing water, after the dialysis is completed, further settling and standing by using alcohol, settling at 60-70 DEG C, and drying, thereby obtaining crude polysaccharide. Experiment shows that the kudzuvine flower polysaccharide has a good physical and sensation ...

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Номер записи: 34
13-08-2014 дата публикации

Abelmoschus manilhot seed extractive and application in cigarette

Номер: CN103976466A
Автор: CHEN ZHIFEI, LU CHANGTONG, SUN ZHITAO, HAO HUI, ZHANG WENJUAN, NIE CONG, QU ZHAN, MA JI, YANG WEIPING
Принадлежит:

The invention relates to abelmoschus manilhot seed extractive. The extractive is obtained through the following steps: purified, dried and pulverized abelmoschus manilhot seeds are put into solvent for extraction, the extracting solution after extraction is subjected to decompression concentration and dried, and crude extractive is obtained; the crude extractive is dissolved in absolute ethyl alcohol and stands still for 4-12 hours at the temperature of 0 to minus 20 DEG C, and then the crude extractive is subjected to vacuum filtration or centrifugal separation, and the extracting solution is subjected to decompression concentration again, so that the abelmoschus manilhot seed extractive is obtained. As the abelmoschus manilhot seed extractive is added to cigarettes on the premises that the original property and processing technique of cigarettes are not changed, the fine degree and mild degree of smoke are remarkably improved, the impurity odor and irritation of smoke are reduced, the ...

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Номер записи: 35
28-01-2015 дата публикации

Hydrophilic aroma-enhancing humectant Mal-Hyp for tobacco, preparation method and application of humectant

Номер: CN104311608A
Автор: LU CHANGTONG, CHEN ZHIFEI, HAO HUI, SUN ZHITAO, YANG JINCHU, MA YUPING
Принадлежит:

The invention belongs to the technical field of humectants for tobacco and particularly relates to a hydrophilic aroma-enhancing humectant Mal-Hyp for tobacco, a preparation method and an application of the humectant. The structural formula of the Mal-Hyp is shown in a formula in the specification. According to the invention, physical humidifying performance test and interior sensory quality of the compound are evaluated, discovering that the humectant plays a role of remarkably improving the physical humidifying performance of cut tobacco and meanwhile has a remarkable improving effect to sensory quality of tobacco, so that the irritation and miscellaneous odors are reduced and the mellow and full sense of the smoke of cigarettes is enhanced.

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Номер записи: 36
13-08-2014 дата публикации

Lentinan, extraction and purification method thereof and application of lentinan as tobacco humectant

Номер: CN103980379A
Автор: CHEN ZHIFEI, MA YUPING, LU CHANGTONG, SUN ZHITAO, HAO HUI, SONG JINYONG
Принадлежит:

The invention relates to a lentinan as well as an extraction and purification method thereof. The extraction and purification method concretely comprises the steps of carrying out Soxhlet extraction on the smashed dry mushrooms by using diethyl ether, then, volatizing residues, and next, extracting the residues by using boiling water; centrifuging and centrifuging a boiling water extracting solution, carrying out ethanol precipitation on a supernatant, and standing; centrifuging again, collecting a sediment, and dissolving by using distilled water after washing; then, adding 0.1-0.2% of papain into a water bath with the temperature of 50+/-5 DEG C for 2-4h; removing proteins by using a Sevage method, and carrying out vacuum concentration after activated carbon decoloration; dialyzing flowing water after cooling; after dialysis is ended, carrying out ethanol precipitation again and standing, and drying the sediment at the temperature of 60-70 DEG C to obtain an earthy yellow crude polysaccharide ...

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Номер записи: 37
10-09-2014 дата публикации

Dichondra repens forst polysaccharides, extraction and purification method of dichondra repens forst polysaccharides and application of dichondra repens forst polysaccharides as tobacco humectant

Номер: CN104031161A
Автор: CHEN ZHIFEI, SUN ZHITAO, LU CHANGTONG, LIU QIANG, HAO HUI, ZHAO YONGZHEN, ZHOU HAO
Принадлежит:

The invention relates to dichondra repens forst polysaccharides and an extraction and purification method thereof. The method comprises the following concrete steps: performing Soxhlet extraction on ground dry dichondra repens forst by using diethyl ether, volatilizing residues to dryness, extracting by using boiling water, concentrating and centrifuging boiling water extraction liquid, performing alcohol precipitation standing on supernatant liquid, centrifuging to collect precipitates, washing, dissolving by using distilled water, adding 0.1-0.2wt% of papain into a water bath with temperature of 50+/-5 DEG C, standing for 2-4 hours, removing protein by adopting a Sevage process, performing active carbon decoloration and reduced pressure distillation, cooling, performing flowing water dialysis, after the dialysis is finished, performing alcohol precipitation standing, and drying the precipitates at 60-70 DEG C to obtain crude polysaccharides. A test proves that dichondra repens forst polysaccharides ...

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Номер записи: 38
10-09-2014 дата публикации

Method for extracting and purifying frangipani polysaccharide and application of frangipani polysaccharide as tobacco humectant

Номер: CN104031168A
Автор: CHEN ZHIFEI, SUN ZHITAO, HAO HUI, WANG WENLING, YANG FENG, LU CHANGTONG, SU DONGYING
Принадлежит:

The invention relates to frangipani polysaccharide and a method for extracting and purifying the frangipani polysaccharide. The method for extracting and purifying the frangipani polysaccharide comprises the following concrete steps: carrying out Soxhlet extraction on smashed dried frangipani with diethyl ether, volatilizing and drying residue and then extracting with boiling water, carrying out concentration and centrifugation on a boiling water extracting solution, taking supernate and carrying out alcohol precipitation, standing, centrifuging again to collect precipitate, dissolving with distilled water after washing, then adding 0.1-0.2% of papain, placing in water bath at the temperature of 50+/-5 DEG C for 2-4 hours, removing protein by adopting a Sevage method, decolorizing with activated carbon and then carrying out reduced pressure concentration, cooling, carrying out dialysis with running water, carrying out alcohol precipitation and standing again after dialysis, and drying precipitate ...

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Номер записи: 39
10-09-2014 дата публикации

Tremella polysaccharide, extraction and purification method and application of tremella polysaccharide as tobacco humectant

Номер: CN104031166A
Автор: CHEN ZHIFEI, WANG WENLING, SUN ZHITAO, YANG FENG, LU CHANGTONG, HAO HUI, LI XIAOFU
Принадлежит:

The invention relates to tremella polysaccharide and an extraction and purification method thereof. The method comprises the following concrete steps: treating crushed dry tremella through a Soxhlet extraction process by using diethyl ether; drying residues and then extracting by using boiling water; concentrating and centrifuging the boiling water extraction solution, precipitating the liquid supernatant by using alcohol and standing, centrifuging again and collecting precipitates, washing the precipitates, dissolving the precipitates by using distilled water, then adding 1 per mill-2per mill of papain into a water bath of which the temperature is 50+/-5 DEG C, placing for 2-4 hours, removing protein by adopting a Sevage method, decolorizing by using active carbon, decompressing, concentrating, cooling, dialyzing by using flowing water, precipitating by using the alcohol and standing again after the dialysis ends, and drying the precipitates at the temperature of 60-70 DEG C to obtain ...

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Номер записи: 40
30-04-2014 дата публикации

Sweet potato water extract, preparation method and application thereof in cigarettes

Номер: CN103750543A
Автор: CHEN ZHIFEI, YANG JINCHU, LU CHANGTONG, SUN ZHITAO, HAO HUI, MA YUPING, NIE CONG, WANG MORAN, ZHANG ZHAN
Принадлежит:

The invention discloses a preparation method of sweet potato water extract. The preparation method includes the steps of cleaning and skinning, smashing and pulping, depressurizing and filtering, de-starching and depressurizing concentration. The sweet potato water extract can be prepared by subjecting sweet potatoes to cleaning and skinning, smashing and pulping and depressurizing and filtering treatment, de-starching through centrifugation and enzyme treatment and concentrating to be at certain concentration under a vacuum condition. By uniformly spraying the sweet potato water extract on cut tobacco in a cigarette charging process, roasted sweet scent of the cigarettes can be highlighted, so that smoking quality and sensory comfortableness of the cigarettes are improved, flavor of the cigarettes is remarkably improved, remaining taste is improved, and irritation and offensive odor are reduced greatly. The sweet potato water extract is low in cost, simple in process, high in safety and ...

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Номер записи: 41
05-02-2014 дата публикации

Application of hosta plantaginea flower water extract to cigarettes

Номер: CN103549640A
Автор: ZHANG WENJUAN, CHEN ZHIFEI, QU ZHAN, WANG HONGWEI, LU CHANGTONG, YANG WEIPING, ZHANG QIDONG, LIU SHAN, MAO JIAN
Принадлежит:

The invention relates to an application of a hosta plantaginea flower water extract to cigarettes. The hosta plantaginea flower water extract is applied to cigarette production as a cigarette flavor, the cigarette fragrance quality can be improved, the fragrance quantity can be increased, the dry sensation can be reduced, offensive odors can be covered up, the stimulation can be reduced, the sweetness after taste can be increased, and a special mellow flavor is endowed to the cigarettes. A preparation method of the hosta plantaginea flower water extract comprises the steps as follows: a, taking dried hosta plantaginea flowers, removing impurities, and crushing the dried hosta plantaginea flowers into the fineness of 10-60 meshes; b, adding distilled water at the temperature of 25-100 DEG C and extracting dried hosta plantaginea flower powder, wherein the power-liquid ratio is 1:5-1:20; and c, filtering out a leach liquor and obtaining the hosta plantaginea flower water extract after vacuum ...

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Номер записи: 42
07-05-2014 дата публикации

Method for preparing mixed dibasic acid mono-L-menthyl acetate by using nylon acid

Номер: CN103772199A
Автор: MA YUPING, CHEN ZHIFEI, LU CHANGTONG, ZHAO YONGDE, CHEN JIN, DAI BENCAI, HUO CUIMENG
Принадлежит:

The invention discloses a method for preparing mixed dibasic acid mono-L-menthyl acetate by using nylon acid and belongs to the field of organic chemical synthesis. The method comprises the following steps: by taking the nylon acid as an initial raw material, obtaining a binary anhydride (comprising glutaric anhydride and butanedioic anhydride) mixture through acetic anhydride dehydration; and further reacting with menthol, and obtaining mixed dibasic acid mono-L-menthyl acetate (comprising glutaric acid mono-L-menthyl acetate and butanedioic acid mono-L-menthyl acetate). The production process is simple, the raw materials are easily available, the yield is high, special reaction or separation and purification equipment is not needed, and the method is suitable for industrial production.

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Номер записи: 43
08-10-2014 дата публикации

Application of althaea rosa seed extractive to cigarettes

Номер: CN104082846A
Автор: ZHANG WENJUAN, MA YUPING, YU JIANCHUN, HUANG GUANGFU, CHEN ZHIFEI, LU CHANGTONG, SUN ZHITAO, SU DONGYING, MA JI, SUN SHIHAO
Принадлежит:

The invention provides an application of an althaea rosa seed extractive to cigarettes. The application is characterized in that the althaea rosa seed extractive is added into tobacco shreds of the cigarettes, so that cigarette smoke has no peculiar smell, scents are coordinated, the scent property and the delicacy and tenderness degree of the smoke of the cigarettes are improved, the number of scents is increased, offensive odors and irritation of the smoke of the cigarettes are reduced, and the overall smoking quality of the cigarettes is improved. The althaea rosa seed extractive is prepared through the following steps that impurity removal, drying and smashing are carried out on althaea rosa seeds; extraction is carried out through a solvent; decompression concentration is carried out on extract liquid; redissolution is carried out through ethyl alcohol; dewaxing is carried out in a refrigeration mode; the althaea rosa seed extractive is obtained. The application is mostly characterized ...

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Номер записи: 44
30-04-2014 дата публикации

Sweet potato ethanol extract and preparation method thereof as well as application of sweet potato ethanol extract in cigarette

Номер: CN103756786A
Автор: CHEN ZHIFEI, YANG JINCHU, LU CHANGTONG, SUN ZHITAO, HAO HUI, MA YUPING, NIE CONG, WANG MORAN, ZHANG ZHAN
Принадлежит:

The invention discloses a preparation method of a sweet potato ethanol extract. The preparation method comprises the following steps: mixing up sweet potatoes with ethanol so as to prepare sweet potato pulp, depressurizing the sweet potato pulp to obtain a filtrate, and concentrating the sweet potato pulp at 40-45 DEG C under the pressure of 60-70KPa, so as to obtain the sweet potato ethanol extract, wherein the mass content of solid substances in the sweet potato ethanol extract is 5-15%. When the sweet potato ethanol extract prepared by using the preparation method is uniformly sprayed to tobacco shreds in a tobacco leaf feeding procedure, the fragrance of 'baking sweetness' of the cigarette is highlighted, and then the smoking quality and the feeling comfort level of the cigarette are improved, the fragrance of the cigarette is greatly improved, the remaining favor is improved, and the irritation and the impure favor are greatly reduced. The sweet potato ethanol extract is low in product ...

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Номер записи: 45
13-08-2014 дата публикации

Lycium barbarum polysaccharide, extracting and purifying method and application thereof as tobacco humectant

Номер: CN103980377A
Автор: LU CHANGTONG, CHEN ZHIFEI, SUN ZHITAO, HAO HUI, DING MEIZHOU, YANG JINCHU, MA YUPING
Принадлежит:

The invention relates to a lycium barbarum polysaccharide, and an extracting and purifying method thereof. The method concretely comprises the following steps: carrying out soxhlet extraction on crushed dry medlar by using a diethyl ether; drying residues and then extracting by using boiled water; concentrating and centrifuging boiling water extract solution; taking supernate to carry out alcohol precipitation and standing; centrifuging and collecting sediments; dissolving by using distilled water after washing, then adding 0.1-0.2% of nematolyt to place in a water bath at 50+/-5 DEG C for 2-4 hours; removing protein by adopting a Sevage method, carrying out vacuum concentration after decoloring activated carbon, carrying out water dialysis after cooling; carrying out alcohol precipitation and standing again after dialysis is ended, and drying the sediments at 60-70 DEG C to obtain crude polysaccharide. The test proves that the lycium barbarum polysaccharide has good physical and sensory ...

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Номер записи: 46
10-09-2014 дата публикации

Ficus carica polysaccharide, extraction and purification method and application of ficus carica polysaccharide as tobacco humectant

Номер: CN104031164A
Автор: CHEN ZHIFEI, SUN ZHITAO, LU CHANGTONG, LIU QIANG, ZHAO YONGZHEN, SONG JINYONG, LI XIAOFU
Принадлежит:

The invention relates to a ficus carica polysaccharide, and an extraction and purification method thereof. The method concretely comprises the following steps: carrying out soxhlet extraction on the crushed dry ficus carica by using diethyl ether, drying residues and extracting by using boiling water; concentrating and centrifuging a boiling water extracting liquid; taking supernate, carry outing alcohol precipitation and standing, centrifugally collecting sediments again, and dissolving by using distilled water after washing; adding 0.1-0.2% of papain, and placing in a water bath at 50+/-5 DEG C for 2-4 hours; removing proteins by adopting a Sevage method, carrying out vacuum concentration after decoloring by activated carbon, carrying out flow dialysis after cooling, and carrying out alcohol precipitation and standing again after dialysis is ended; and drying the sediments at 60-70 DEG C to obtain crude polysaccharide. The experiment proves that the ficus carica polysaccharide disclosed ...

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Номер записи: 47
13-08-2014 дата публикации

Fructus alpiniae oxyphyllae polysaccharide, extraction and purification method and application thereof as tobacco humectant

Номер: CN103980380A
Автор: CHEN ZHIFEI, MA YUPING, LU CHANGTONG, SUN ZHITAO, DING MEIZHOU, HAO HUI, WANG MORAN
Принадлежит:

The invention relates to fructus alpiniae oxyphyllae polysaccharide and an extraction and purification method thereof. The method comprises the steps of extracting smashed and dried fructus alpiniae oxyphyllae by diethyl ether in a sohxlet extraction way, then volatilizing residues dry and extracting by using boiling water, concentrating and centrifuging the boiling water extracting solution, taking supernate, precipitating by using alcohol and standing; centrifuging again and collect precipitates; washing, then dissolving by using distilled water, adding 0.1-0.2% of papain, standing in 50+/-5DEG C water bath for 2-4 hours, removing protein by a Sevage method, decoloring by using activated carbon and concentrating at reduced pressure; cooling, then dialyzing by running water, then precipitating by using alcohol again and standing; and drying the precipitate at 60-70DEG C so as to obtain crude polysaccharide. Tests prove that the fructus alpiniae oxyphyllae polysaccharide has good physical ...

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Номер записи: 48