[Investigation on the antioxidant activities in vitro of extracts from Ampelopsis humilifolia var. heterophylla and A. sinica].
The antioxidant activities of Ampelopsis humilifolia var. heterophylla and A. sinica, antiviral medicinal plants used in Hubei province of China, have been investigated using both enzymatic and non-enzymatic antioxidant assays in vitro. Extracts from the both plants inhibited xanthine oxidase and lipoxygenase activites, and were scavengers of the ABTS*+ free radical by Trolox Equivalent Antioxidant Capacity assay (TEAC). The extracts possesses a relatively high TEAC value compared with grape seed extracts.
Chen
Keli
K
Department of Pharmacy, Hubei College of Traditional Chinese Medicine, Wuhan 430061.
Ye
Congjin
C
Plumb
Geoff W
GW
Bao
Yongping
Y
D032421:Ampelopsis / Q000737:chemistry*; D000975:Antioxidants / Q000494:pharmacology; D004365:Drugs, Chinese Herbal / Q000737:chemistry / Q000302:isolation & purification / Q000494:pharmacology*; D016166:Free Radical Scavengers / Q000494:pharmacology; D005609:Free Radicals / Q000378:metabolism; D066298:In Vitro Techniques; D008084:Lipoxygenase / Q000378:metabolism*; D016859:Lipoxygenase Inhibitors / Q000737:chemistry / Q000494:pharmacology; D018515:Plant Leaves / Q000737:chemistry; D018517:Plant Roots / Q000737:chemistry; D018547:Plant Stems / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D013053:Spectrophotometry; D014969:Xanthine Oxidase / Q000037:antagonists & inhibitors*
D000975:Antioxidants; D004365:Drugs, Chinese Herbal; D016166:Free Radical Scavengers; D005609:Free Radicals; D016859:Lipoxygenase Inhibitors; D008084:Lipoxygenase; D014969:Xanthine Oxidase