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Chemistry and Industry of Forest Products ›› 2016, Vol. 36 ›› Issue (4): 135-139.doi: 10.3969/j.issn.0253-2417.2016.04.019

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Composition of Polyphenols in Bark of Castanopsis fargesii Franch.

HUANG Yong-lin, CHEN Yue-yuan, YAN Xiao-jie, LIU Jin-lei, WANG Ya-feng, HE Rui-jie, LI Dian-peng   

  1. Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Chinese Academy of Sciences, Guilin 541006, China
  • Received:2015-08-10 Online:2016-08-25 Published:2016-09-01

Abstract: The ethanol extract from the bark of Castanopsis fargesii Franch. was purified by column chromatography through Sephadex LH-20, MCI gel CHP 20P and Toyopearl Butyl-650C. Ten compounds were obtained. The structures were identified to be benzoic acid, protocatechuic acid, gallic acid, 5-O-galloyl-(-)-shikimic acid, 3,5-di-O-galloylquinic acid,(-)-epicatechin, catechin, gallocatechin, casuarinas tannin, castalagin. All compounds were isolated from C. fargesii for the first time.

Key words: Castanopsis fargesii Franch., polyphenols, gallic acid, flavan-3-ol, casuarinas tannin

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