Ojha Arnab K, Maiti Debabrata, Chandra Krishnendu, Mondal Subhas, Das Sadhan K Roy Debsankar, Ghosh Kaushik, Islam Syed S
Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore, 721 102 West Bengal, India.
Carbohydr Res. 2008 May 19;343(7):1222-31. doi: 10.1016/j.carres.2008.03.010. Epub 2008 Mar 13.
A heteropolysaccharide isolated from the gum (Katira) of Cochlospermum religiosum was found to consist of D-galactose, D-galacturonic acid and L-rhamnose in a molar ratio 2:1:3. Structural assignment of the polysaccharide was carried out using total acid hydrolysis, methylation analysis, periodate oxidation, Smith degradation and NMR studies (1H, 13C, DQF-COSY, TOCSY, NOESY, HMBC and HSQC) and the repeating unit of the polysaccharide was established as [Formula: see text].
从九芎树胶（Katira）中分离出的一种杂多糖被发现由D-半乳糖、D-半乳糖醛酸和L-鼠李糖组成，摩尔比为2:1:3。使用全酸水解、甲基化分析、高碘酸盐氧化、史密斯降解和核磁共振研究（1H、13C、DQF-COSY、TOCSY、NOESY、HMBC和HSQC）对该多糖进行结构鉴定，并确定该多糖的重复单元为[分子式：见原文]。
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