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题名: Antioxidant phenolic compounds from rhizomes of Polygonum paleaceum
作者: Wang, KJ; null(张颖君); Yang, CR
刊名: JOURNAL OF ETHNOPHARMACOLOGY
关键词: Polygonum paleaceum ; Polygonaceae ; antioxidant phenols ; paleaceolactoside
英文摘要: Polygonum paleaceum Wall. ex Hook. f. is a small herb in Polygonaceae family. In southwest of China, the rhizomes of this plant were used as folk drug for the treatment of chronic gastritis, duodenal ulcers, dysentery, wound, pain, hemorrhage and irregular menstruation. The crude aqueous acetone extract exhibited high antioxidant activity (SC50 = 16.72 mug/ml) in 1, 1-diphenyl-2-picryldydrazyl (DPPH) radical-scavenging assay. With bioactivity-guided fractionations, 14 antioxidant phenolic compounds 1-14 were obtained from the air-dried rhizomes of this plant. Of them. compound 1, a new phenol named paleaceolactoside, was determined to be 3,5-dihydroxyl hexanoic acid 1,5-lactone 3-(6'-o-galloyl)-o-beta-D-glucopyranoside by detailed spectroscopic analysis. The radical-scavenging activity of all the isolated compounds was also described. (C) 2004 Elsevier Ireland Ltd. All rights reserved.
出版日期: 2005-01-15
卷号: 96, 期号:3, 页码:483-487
DOI标识: 10.1016/j.jep.2004.09.036
语种: 英语
ISSN号: 0378-8741
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/4732
Appears in Collections:植物化学与西部植物资源持续利用国家重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China

Recommended Citation:
Wang, KJ; Zhang, YJ; Yang, CR.Antioxidant phenolic compounds from rhizomes of Polygonum paleaceum,JOURNAL OF ETHNOPHARMACOLOGY,2005,96(3):483-487
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