A GALACTOMANNAN FROM CASSIA-SPECTABILIS DC SEEDS

被引：0
|
作者：
GUPTA, AK
CHOUGULE, MA
PADALKAR, RK
YADAV, VK
机构：
来源：
INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY | 1995年 / 34卷 / 10期
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中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A galactomannan containing D-galactose and D-mannose in the molar ratio 1:2.04 has been isolated from the seeds of Cassia spectabilis. Based on the results from methylation, periodate oxidation and Smith degradation, partial acid hydrolysis, enzymatic hydrolysis, H-1 and C-13 NMR spectral analyses of the polysaccharide, a branched structure having mannan backbone composed of (1 --> 4) linked beta-D-mannopyranosyl units attached by (1 --> 6) linked alpha-D-galactopyranosyl single-unit side chains (1 per 2.0 main chain units) is proposed for average repeating unit of the galactomannan.
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页码：889 / 892
页数：4
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