title: [Studies on isolation, purification and structure of polysaccharide RHG from Hedysarum polybotrys Hand.-Mazz].
abstract: A water-soluble polysaccharide, RHG, was isolated from the roots of Hedysarum polybotrys Hand.-Mazz. It was shown to be homogeneous by electrophoresis and gel filtration. Its average molecular weight was estimated to be 1.4 x 10(4). Methylation analysis, periodate oxidation, Smith degradation, IR, NMR and KI-I2 reaction showed that RHG is a (1-4) linked alpha-D-glucan to which the glucosyl side chains are attached at O-6 of the glucosyl residues of the main chain.
authors.affiliation: National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000.
authors.forename: F M
authors.initials: FM
authors.lastname: Liu
authors.forename: Z X
authors.initials: ZX
authors.lastname: Li
authors.forename: Y F
authors.initials: YF
authors.lastname: Meng
authors.forename: Y Z
authors.initials: YZ
authors.lastname: Chen
mesh_terms: D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D007887:Fabaceae / Q000737:chemistry*; D010946:Plants, Medicinal; D011134:Polysaccharides / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D004365:Drugs, Chinese Herbal; D011134:Polysaccharides