Study on the Constituents of Hypericum patulum

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Title:	Study on the Constituents of Hypericum patulum 金絲梅之成分研究
Authors:	Zong-Tsi Chen Ming-Tyan Chen Chang-Sheng Kuoh Chiu-Ming Chen
Contributors:	應用化學科
Keywords:	Flypericum patulum Betulinic acid Flavonoids Toxyloxanth-one B
Date:	1993
Issue Date:	2010-11-12 13:47:14 (UTC+8)
Abstract:	In the series of research on the constituents of Hypericum species (Guttifer-ae) grown in Taiwan, the isolation and characterization of five crystalline components from the aerial parts of Hypericum patulum Thunb. ex Murray are described. Their structures were identified as betulinic acid (a triterpenoid), toxylo-xanthone B (a pyranoxanthone), quercetin, quercitrin, and astilbin (flavonoids),on the basis of spectroscopic evidence as well as direct comparison with authenticsamples. The major constituents of 3,5,7,3,4-pentaoxygenated Aavones in thisplant were of great significance in the chemotaxonomy of Hypericum genus. 對於台灣產金絲桃屬(福木科)植物成分之系列研究中，本研究自金絲梅(Hypericum patulumThunb. Ex Murray)之地上部抽取分離得到五種結晶性成分，經光譜分析並與標準品直接比較，鑑定其化學結構式分別為屬於三萜酸之白樺脂酸，黃色素之三羥黃色素酮B和黃酮素之懈皮素，懈皮乾落新婦昔。本植物以3,5,7,3,,4,-五羥基黃酮素為主成分，在金絲桃凰植物之化學分類上具有重要意義。
Relation:	嘉南學報 19期 : p.A95-A100轉載中華藥學雜誌 45(4) 1993年
Appears in Collections:	[Chna Nan Annual Bulletin] Vol.19 (1993) [Dept. of Food & Drug Industry and Inspective Technology] Periodical Articles

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