Isolation and identification of neutral polysaccharide from Aloe vera var. chinensis
- VernacularTitle:中华芦荟中性糖的分离与鉴定研究
- Author:
Yan SONG
;
Yunzheng LI
;
Haiyuan QIN
;
Yuqing WAN
;
- Publication Type:Journal Article
- Keywords:
Aloe vera var Chinensis L. (Haw ) Berg.;
polysaccharide;
ion exchange chromatography;
HPLC
- From:
Chinese Traditional and Herbal Drugs
1994;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Object To carry out a deeper study on the active component and the structure of Aloe vera L. var chinensis (Haw ) Berg Methods The polysaccharide was isolated from the extract of the fresh leaf pulp of A. vera var chinensis by means of DEAE Sephadex A 25 ion exchange column chromatography and identified, through HPLC, IR, TGA, 13 CNMR and elementary analysis Results Alkaline hydrolysis proved that it is a neutral, linear polymer of a partially acetylated ? 1, 4 D mannopyranose of high purity The molar ratio of D mannose to the acetyl group in the polysaccharide was 1 64∶1 Conclusion This is the first report to uncover the presence of such polysaccharide in A vera var chinensis
