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Chemical composition of Cliffbean polysaccharide

Renbin Huang

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Abstract

AIM:To study the isolation and composition of Cliffbean(Millettia pulchra kurz)polysaccharide.METHODS:Cliffbean was extracted by boiling water.The polysaccharide in the filtrate was precipitated fractionally by alcohol.The protein in the product was removed by Sevag method,and was further purified by DEAE ion-exchange cellulose(DEAE-52).The component of the saccharide was determined by GC and TLC.RESULTS:The polysaccharide obtained in this way didn't contain protein and nucleic acid.It showed a single polysaccharide when identified by means of Sephadex G-75 column or High Performance Gel Permeation Chromatography(HPGPC).It was composed of glucose and arabinose.CONCLUSION:Cliffbean polysaccharide was first isolated from its root and was one of the important components.

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What this paper is about

AIM:To study the isolation and composition of Cliffbean(Millettia pulchra kurz)polysaccharide.METHODS:Cliffbean was extracted by boiling water.The polysaccharide in the filtrate was precipitated fractionally by alcohol.The protein in the product was removed by Sevag method,and was further purified by DEAE ion-exchange cellulose(DEAE-52).The component of the saccharide was determined by GC and TLC.RESULTS:The polysaccharide obtained in this way didn't contain protein and nucleic acid.It showed a single polysaccharide when identified by means of Sephadex G-75 column or High Performance Gel Permeation Chromatography(HPGPC).It was composed of glucose and arabinose.CONCLUSION:Cliffbean polysaccharide was first isolated from its root and was one of the important components.

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Available abstract

AIM:To study the isolation and composition of Cliffbean(Millettia pulchra kurz)polysaccharide.METHODS:Cliffbean was extracted by boiling water.The polysaccharide in the filtrate was precipitated fractionally by alcohol.The protein in the product was removed by Sevag method,and was further purified by DEAE ion-exchange cellulose(DEAE-52).The component of the saccharide was determined by GC and TLC.RESULTS:The polysaccharide obtained in this way didn't contain protein and nucleic acid.It showed a single polysaccharide when identified by means of Sephadex G-75 column or High Performance Gel Permeation Chromatography(HPGPC).It was composed of glucose and arabinose.CONCLUSION:Cliffbean polysaccharide was first isolated from its root and was one of the important components.

Key concepts: Polysaccharide, Chemistry, Chromatography, Sephadex, Arabinose, Nucleic acid, Column chromatography, Gel permeation chromatography

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