|Table of Contents|

Comparison and Optimization Among Extraction Technologies of Polysaccharide From Pleurotus Nebrodensis(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2013年03期
Page:
87-92
Research Field:
生命科学
Publishing date:

Info

Title:
Comparison and Optimization Among Extraction Technologies of Polysaccharide From Pleurotus Nebrodensis
Author(s):
Guo Yongyue; Tao Mingxuan; Zhao Yunxia; Ding Lingli
Ginling College,Nanjing Normal University,Nanjing 210097,China
Keywords:
Pleurotus nebrodensis; polysaccharides extraction; ultrasound; microwave; ulkali mention; response surface methodology
PACS:
R284.2
DOI:
-
Abstract:
The purpose of the experiment is to choose the best extraction technology of polysaccharide from Pleurotus nebrodensis.The Pleurotus nebrodensis was used as the raw material for extracting polysaccharide by means of hot water extraction,ultrasonic-assisted extraction,microwave-assisted extraction,ulkali mention.A central composite design followed by response surface analysis was carried out to optimize the ultrasonic-assisted extraction parameters.The yields of the four extraction technologies were 2.9%,5.48%,4.86% and 4.71%.The results of determination of polysaccharide content showed that ultrasonic-assisted extraction had significant differences in the four extraction technologies.The optimal ultrasonic-assisted extraction conditions were 28 min at ultrasonic power 300 W with a water-material ratio of 23:1 and three times repeated extractions at 92 ℃ for 2 h each time,which yielded an extraction yield of 6.03%.The ultrasonic-assisted extraction could significantly improve the yield of polysaccharide from Pleurotus nebrodensis.

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Last Update: 2013-09-30