Antioxidant phenolic compounds from rhizomes of Polygonum paleaceum
Wang, KJ; Zhang, YJ; Yang, CR
AbstractPolygonum 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.
KeywordPolygonum Paleaceum Polygonaceae Antioxidant Phenols Paleaceolactoside
Subject AreaPlant Sciences ; Chemistry, Medicinal ; Integrative & Complementary Medicine ; Pharmacology & Pharmacy
Indexed BySCI
WOS IDWOS:000226427600018
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Document Type期刊论文
AffiliationChinese Acad Sci, Kunming Inst Bot, State Key Lab Phytochem & Plant Resources W China, Kunming 650204, Peoples R China
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GB/T 7714
Wang, KJ,Zhang, YJ,Yang, CR. Antioxidant phenolic compounds from rhizomes of Polygonum paleaceum[J]. JOURNAL OF ETHNOPHARMACOLOGY,2005,96(3):483-487.
APA Wang, KJ,Zhang, YJ,&Yang, CR.(2005).Antioxidant phenolic compounds from rhizomes of Polygonum paleaceum.JOURNAL OF ETHNOPHARMACOLOGY,96(3),483-487.
MLA Wang, KJ,et al."Antioxidant phenolic compounds from rhizomes of Polygonum paleaceum".JOURNAL OF ETHNOPHARMACOLOGY 96.3(2005):483-487.
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