Study on Isolation and Purification and Physicochemical Characters on Polysaccharide G.F.-1of Grifola Frondosa Mycelia

Abstract

Abstract: Polysaccharide was extracted from Grifola frondosa Mycelia then isolated and purified a nd fimally.G.F.-1was obtained.The results showed that G.F.-1was a kind of pure poly saccharide and large molecule that had better consistency,In addition,its Molecular weight was 1.23×10 6 and mol ratio of sugar composition was Xyl∶Man∶Glc =0.9∶1.4∶4.7respectively.Its first stru cture was made ofβ-D -Glc with the main chain bonds ofβ(1→3)andβ(1→6),where the substitutional ramification mostly took place in C6.

Key words: mycelia polysaccharide, isolation and purification, structure consti tutes

DU Wei, YUAN Jing, LI Yuan-Rui, CHENG Jiang-Feng. Study on Isolation and Purification and Physicochemical Characters on Polysaccharide G.F.-1of Grifola Frondosa Mycelia[J]. FOOD SCIENCE, 2003, 24(3): 35-39.

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Study on Isolation and Purification and Physicochemical Characters on Polysaccharide G.F.-1of Grifola Frondosa Mycelia

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