02-04-2014 дата публикации
Номер: CN103690677A
Принадлежит:
The invention relates to the field of traditional Chinese medicine active site preparation, and discloses a cortex lycii active site, a preparation method and an application thereof. The preparation method comprises the following steps: S1, crushing cortex lycii, extracting with water, concentrating the extract, adding ethanol for alcohol precipitation, concentrating the supernatant to obtain a stock solution; S2, allowing the stock solution to pass through macroporous adsorption resin, collecting the eluate, drying by distillation, and concentrating to obtain a sample 1; S3, adsorbing the sample 1 by strong acid cation exchange resin, washing the resin column with water, then eluting with ammonia water, collecting the ammonia water eluate, concentrating to obtain a sample 2; S4, adsorbing the sample 2 by strong base anion exchange resin, collecting water eluate, concentrating and drying to obtain the cortex lycii active site. The cortex lycii active site prepared by the invention has a ...
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