白茶多糖的提取与结构初探

Abstract

Abstract: A polysaccharide preparation was obtained from white tea by using hot water extraction, condensation, alcohol-sedimentation, dialysis and protein isolation. The results showed that the product is a white tea oligosaccharide with a molecular weight of 1453~1468. The white tea oligosaccharide is consist of 1 rhamnose, 2 arabinose, 1 unknown monosaccharide, 1 Glucose and 3 Galactose. There is no amino acid or other acid group in the structure of white tea oligosaccharide.

Key words: white tea, tea polysaccharide, monosaccharide, extraction, structure

CLC Number:

TS272
TQ28

ZHENG De-yong, YANG Jiang-fan, PAN Xiao-yun, LIN Hong-yong, LIN Qing-xia. Studies on the Extraction of White Tea Polysaccharide and Its Structure[J]. Journal of Tea Science, 2010, 30(S1): 551-555.

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Studies on the Extraction of White Tea Polysaccharide and Its Structure

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