Antioxidant activity and phenolic compounds from Colchicum luteum Baker (Liliaceae)

被引：0

作者：

Ahmad, Bashir ^{[1
]}

机构：

[1] Univ Peshawar, Ctr Biotechnol & Microbiol, Kpk, Pakistan

来源：

AFRICAN JOURNAL OF BIOTECHNOLOGY | 2010年 / 9卷 / 35期

关键词：

Colchicum luteum; Liliaceae; chlorogenic acid; luteolin; antioxidant;

D O I：

暂无

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The ethanolic extract from corms of the Colchicum luteum Baker (Liliaceae) was investigated phytochemically. During phytochemical studies, compounds 1 - 4 were isolated from the n-butanol fraction. These compounds were identified as colchicines 1, beta - Lumicolchicine 2, chlorogenic acid 3 and 3', 4', 5.7-Tetrahydroxyflavone 4, on the basis of different modern spectroscopic techniques. Chlorogenic acid 3', 4', 5.7-Tetrahydroxyflavone were isolated for the first time from this species. On the basis of scavenging activity of the stable 1, 1-diphenyl-2-picrylhidrazyl (DPPH) free radical, the crude ethanolic extract and subsequent fractions of C. luteum Baker offered promising antioxidant activity. The highest activity was displayed by chloroform fraction (91%), while the overall range was found (56 91%), expressed some correlation with the isolated compounds.

引用

页码：5762 / 5766

页数：5

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