Isolation and Identification of a Polysaccharide in Litchi Pericarp

Abstract

Abstract: DEAE sepharose fast flow anion exchange column and sephadex G50 gel column were used to isolate and purify the major polysaccharide extracted from litchi pericarp. Mannose composition was determined by gas chromatography. It mainly comprised of mannose, galactose, and arabinose. The profile of gel permeation chromatography (GPC) showed that its molecular weight is 14000D and its structure is further identified by infrared (IR) spectra.

Key words: litchi pericarp, polysaccharide, gel permeation chromatography, infra-red spectra

YANG Bao, ZHAO Mou-Ming, LIU Yang, LI Bao-Zhen. Isolation and Identification of a Polysaccharide in Litchi Pericarp[J]. FOOD SCIENCE, 2006, 27(2): 81-83.

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Isolation and Identification of a Polysaccharide in Litchi Pericarp

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