Li Li, Xu Li-jia, He Zhen-dan, Yang Qin-qiong, Peng Yong, Xiao Pei-gen
Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing 100094, China.
Zhongguo Zhong Yao Za Zhi. 2008 Sep;33(17):2121-3.
To investigate the chemical constituents of Ehretia thyrsiflora.
Compounds were isolated by using silica gel, Sephadex LH-20 and RP-C18 chromatography; their structures were elucidated by means of spectral data analysis.
Seven compounds were isolated and identified as methyl rosmarinate (1), caffeic acid (2), quercetin (3), kampferol (4), kaempferol 3-O-alpha-D-arabinoside (5), quercetin 3-O-alpha-D-arabinoside (6), and p-hydroxy benzoic acid (7).
All these compounds were isolated from E. thyrsiflora for the first time. Compounds 2-7 were isolated from genus Ehretia for the first time.
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