|Table of Contents|

Study on Ultrasonic Extraction of Water-soluble Flavonoids and Polysaccharides From Gnaphalium affine(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年07期
Page:
148-152
Research Field:
Publishing date:

Info

Title:
Study on Ultrasonic Extraction of Water-soluble Flavonoids and Polysaccharides From Gnaphalium affine
Author(s):
YANG Gui-zhenCHEN Wei-zhenXIAN Cai-xiaHUANG Cui-rong
Chemistry Science and Technology School,Zhanjiang Normal University,Zhanjiang,Guangdong 524048
Keywords:
Gnaphalium affine D.Donultrasonic extractionflavonoidspolysaccharides
PACS:
R 961
DOI:
-
Abstract:
Taking Gnaphalium affine as material,through single factor test and orthogonal experiment,the optimum conditions of ultrasonic extraction of the water-soluble flavonoids and polysaccharides in wild Gnaphalium affine D.Don were studied.The results showed that the optimal techology for flavonoid were:extraction time was 50 min,extraction temperature was 80℃,extraction power was 160 W,solid-liquid ratio was 1∶50 g/mL;the aptimal extraction techology for polysaccha rides were:extraction time was 50 min,extraction temperature was 75℃,extraction power 160 W,solid-liguid ratio 1∶60 g/mL.The method consumes less,fast and accurac,extraction yield of water-soluble flavonoids and polysaccharide separately was 4.36% and 3.09% from Gnaphalium affine D.Don.The method of standard recovery rate of flavonoids between 96.96%,and relative standard deviation RSD<3%;the standard recovery rate of reducing sugar and total reducing sugar were 98.08% and 101.8% respetively.

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Last Update: 2014-08-13