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Применить Всего найдено 2. Отображено 2.
02-06-2023 дата публикации

Method for delaying starch retrogradation

Номер: CN116200438A
Автор: LIU PENGFEI, CUI MENGMENG, CUI BO, GAO WEI, WU ZHENGZONG, YUAN CHAO, YU BIN, GUO LI, LI YUE, DUAN WENMIN
Принадлежит:

The invention relates to a method for effectively delaying starch retrogradation, and belongs to the technical field of agricultural product processing. According to the method, starch is taken as a substrate, enzyme with transglycosylation capability is adopted for pretreatment of starch, chain length distribution of amylopectin is changed, the proportion of short branched chains is increased, and long-term retrogradation of starch is effectively delayed. Enzyme modified starch and lipid are complexed to form a starch-lipid inclusion compound, winding and stacking of amylose double helixes are hindered in the retrogradation process, and short-term retrogradation of starch is effectively delayed.

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Номер записи: 1
15-08-2023 дата публикации

Anti-aging starch film and preparation method thereof

Номер: CN116589718A
Автор: LIU PENGFEI, DUAN WENMIN, CUI BO, CUI MENGMENG, GAO WEI, YUAN CHAO, WU ZHENGZONG, GUO LI, YU BIN
Принадлежит:

The invention discloses an anti-aging starch film and a preparation method thereof, and belongs to the technical field of starch deep processing. The preparation method comprises the following steps: dispersing natural starch in a buffer solution to prepare starch milk, heating at 90-100 DEG C for 30-60 minutes, cooling to enzymolysis temperature, adding transglucosidase for enzymolysis, deactivating enzyme after enzymolysis, cooling to room temperature, centrifuging at 3000-5000 rpm for 10-15 minutes, and drying precipitate to obtain transglucosidase modified starch; adding water into the transglucosidase modified starch to prepare starch milk, continuously heating at 90-100 DEG C for 30-60 minutes, adding an emulsifier and glycerol, heating for 30-60 minutes to obtain a film-forming solution, casting to form a film, drying, and balancing in a constant-temperature and constant-humidity box to obtain the anti-aging starch film. The prepared starch film has good anti-aging performance, the ...

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Номер записи: 2