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Study on Difference Extraction Methods for Polysaccharide from Cordyceps Flowers(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年03
Page:
119-122
Research Field:
Publishing date:

Info

Title:
Study on Difference Extraction Methods for Polysaccharide from Cordyceps Flowers
Author(s):
ZHANG Su-binCAI Li-yan
(School of Chemistry and Chemical Engineering,Zhaoqing University,Zhaoqing,Guangdong 526061)
Keywords:
Cordyceps flowerspolysaccharide extractionenzymatic methodultrasonic wave
PACS:
-
DOI:
10.11937/bfyy.201503035
Abstract:
Taking Cordyceps flowers from Xinhui as raw material,the content of polysaccharide from Cordyceps flowers was measured by the phenol-sulfuric acid method.Polysaccharide was extracted from Cordyceps flowers using hot water,single enzyme(cellulase,pectinase,papain)and ultrasonic wave respectively,the extraction ratios of polysaccharide and optimized conditions for these methods were compared.The results indicated that the pectinase extraction was the best among these five methods and the extraction ratios was 22.23% at pH 5.5,pectinase of 1.00%,enzymolysis temperature of 40℃ for 90 minutes.The extraction ratios for hot water method,cellulase method,papain method and ultrasonic wave method were 18.12%,15.01%,18.57% and 13.34% respectively,under the optimal conditions.

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Last Update: 2015-03-03