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[Study on extraction process of flavone from Ginkgo biloba leaves by enzymic treatment].

Authors
  • Wang, Hui
  • Liu, Jiajia
Type
Published Article
Journal
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials
Publication Date
Dec 01, 2003
Volume
26
Issue
12
Pages
887–888
Identifiers
PMID: 15058212
Source
Medline
License
Unknown

Abstract

The extraction technology of flavonoids from Ginkgo biloba leaves was studied in this paper. When the crude leaves used the cellulase enzyme pretreatment before extraction process, the extraction yield of total flavone was up to 2.01%. The extraction conditions were also determined experimentally as following: concentration of enzyme in the liquor being 0.125 g/L, mixture ratio between enzyme and substrate being 1:1200, treating 2 hours, at 45 degrees C, under natural pH value.

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