Structure Investigation of Water Soluble Polysaccharide CTP Isolated from the Carthamus tinctorius L.

Abstract

Abstract: Carthamus tinctorius L. is a kind of Chinese traditional and herbal drugs. Polysaccharides as effective ingredients have extensive pharmaceutic values especially as the immune regulators. CTP is the water soluble polysaccharide isolated from the Carthamus tinctorius L.. By means of HPLC, partial hydrolysis with acid, periodate oxidation, Smith degradation, GC, methylation and GC-MS analysis, ¹³C NMR spectroscopy, the structure of CTP was identified. CTP is a kind of small molecular weight polysaccharide with many branches. The main chain of CTP is made up of(1→4)-linked-Glc with five side chains. They are(1→3,6), (1→6), (1→)-linked-Gal, (1→2)-linked-Glc, (1→6), (1→)-linked-Glc, and two(1→6)-linked-Glc respectively.

Key words: Carthamus tinctorius L., Polysaccharide, Structure

CLC Number:

Q539

TrendMD:

HUO Xian, LIANG Zhong-Yan, ZHANG Ya-Jun, FEI Rui, ZHAO Wei, ZHANG Li-Xia. Structure Investigation of Water Soluble Polysaccharide CTP Isolated from the Carthamus tinctorius L.[J]. Chem. J. Chinese Universities, 2005, 26(9): 1653.

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Structure Investigation of Water Soluble Polysaccharide CTP Isolated from the Carthamus tinctorius L.

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