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Studies on the Anthraquinones of Hotao Rhubarb (Pheum hotaoense)

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Author:
No author available
Journal Title:
CHINESE TRADITIONAL AND HERBAL DRUGS
Issue:
5
DOI:
10.3321/j.issn:0253-2670.2000.05.001
Key Word:
蓼科;大黄属;河套大黄;蒽醌;大黄酚-8-O-β-D-(6'-O-没食子酰)-吡喃葡萄糖苷

Abstract: 从河套大黄干燥根与根茎的甲醇提取物中分得10 个蒽醌类成分.经化学方法和波谱学鉴定,确定它们的结构分别为:大黄酚 (chrysophanol, Ⅰ)、大黄素甲醚 (physcion, Ⅱ)、大黄素 (emodin, Ⅲ)、芦荟大黄素 (aloe-emodin, Ⅳ)、大黄酸(rhein, Ⅴ)、大黄酚-1和8-O-β-D-吡喃葡萄糖苷(chrysophanol-1 and 8-O-β-D-glucopyranoside,Ⅵa和Ⅵb)、大黄酚-8-O-β-D-(6'-O-没食子酰)-吡喃葡萄糖苷[chrysophanol-8-O-β-D-(6'-O-galloyl)-glucopyranoside, Ⅶ]、大黄素甲醚-8-O-β-D-吡喃葡萄糖苷(physcion-8-O-β-D-glucopyranoside, Ⅷ)、芦荟大黄素-8-O-β-D-吡喃葡萄糖苷(aloe-emodin-8-O-β-D-glucopyranoside, Ⅸ).其中Ⅶ为一新化合物,Ⅵ、Ⅷ、Ⅸ系首次从该植物中分得.

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