Isolation of iridoid and secoiridoid glycosides and comparative study on Radix gentianae and related adulterants by HPLC analysis
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摘要HPLC profile guided study led to the isolation of an acylated secoiridoid glycoside, named gentiotrifloroside (1), together with six known compounds, i.e., loganic acid (2), 6-O-beta-D-glucopyranosylgentiopicroside (3), swertiamarin (4), gentiopicroside (5), sweroside (6) and 2 -(o,m-dihydroxybenzyl)-sweroside (7) from Gentiana triflora and Gentiana rigescens. The structure of I was deduced from one- and two-dimensional NMR spectroscopic experiments. Compounds 1-7 were used successfully as chemical markers for the comparison of the four species of Gentiana used as Radix gentianae. Additionally, differentiation of Gentiana species mentioned and those used as adulterants was evaluated. The close similarity of chemical composition among the four genuine Gentiana species explain their popular usage as R. gentianae in Chinese medicine. We have also shown that the variation of chemical composition in R. gentianae and related adulterants agree well with their botanical phylogeny. (c) 2005 Elsevier Ltd. All rights reserved.
著者Jiang RW, Wong KL, Chan YM, Xu HX, But PPH, Shaw PC
期刊名稱Phytochemistry
出版年份2005
月份11
日期1
卷號66
期次22
出版社PERGAMON-ELSEVIER SCIENCE LTD
頁次2674 - 2680
國際標準期刊號0031-9422
語言英式英語
關鍵詞berberidaceae; Gentiana manshurica; Gentiana rigescens; Gentiana scabra; Gentiana triflora; gentianaceae; gentiotrifloroside; HPLC analysis; Podophyllum hexandrum
Web of Science 學科類別Biochemistry & Molecular Biology; BIOCHEMISTRY & MOLECULAR BIOLOGY; Plant Sciences; PLANT SCIENCES

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