2007•Chinese Journal of Spectroscopy LaboratoryRequires access

Characterization of Polysaccharide L-2A Isolated from Lentinus Edodes

Xiao Hu

Abstract

Based on chemical analysis,gas chromatography(GC),gel permeation chromatography(GPC),UV and infrared spectroscopy,the chemical structure of polysaccharide fraction L-2A from lentinus edodes fruiting bodies was investigated.The carbohydrate content of the polysaccharide L-2A was 90.14% with the weight average molecular mass of 2.03×105 daltons.GC analysis indicated that L-2A was composed of D-glucopyranose.It had the spiral structure revealed by congo red.It is the first time that a new kind of polysaccharide L-2A is extracted from lentinus edodes.

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Key concepts: Lentinus, Polysaccharide, Chemistry, Gel permeation chromatography, Chromatography, Fraction (chemistry), Chemical structure, Congo red