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  • Title: Structural investigation of a novel rhamnoglucogalactan isolated from the fruiting bodies of the fungus Hericium erinaceus.
    Author: Jia LM, Liu L, Dong Q, Fang JN.
    Journal: Carbohydr Res; 2004 Nov 15; 339(16):2667-71. PubMed ID: 15519325.
    Abstract:
    A new heteropolysaccharide (HEP-1) was isolated from the fruiting bodies of Hericium erinaceus. It was estimated to have a molecular weight of 1.8x10(4) da and showed [alpha](D)(20) +129 (c 0.295, H(2)O). HEP-1 is composed of rhamnose, galactose, and glucose in the ratio of 1.19:3.81:1.00. Its structural features were investigated using composition analysis, methylation analysis, partial hydrolysis, and IR and NMR spectroscopy. The results showed that HEP-1 has a (1-->6)-linked alpha-d-galactopyranosyl backbone with branches that are composed of rhamnose and glucose attached to O-2.
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