委陵菜中的原花青素：分离及其对超氧阴离子自由基清除活性的研究
Procyanidins from tormentil: fractionation and study of the anti-radical activity towards superoxide anion.
作者信息
Vennat B, Bos M A, Pourrat A, Bastide P
机构信息
Laboratoire de Pharmacie Galénique et Pharmacotechnie Industrielle, UFR Pharmacie, Clermont-Ferrand, France.
出版信息
Biol Pharm Bull. 1994 Dec;17(12):1613-5. doi: 10.1248/bpb.17.1613.
PMID:7735205
Abstract
A standardised water-soluble extract was prepared from rhizomes of Potentilla tormentilla. The procyanidins in the extract were fractionated according to their degree of polymerisation by chromatography on Sephadex LH20. The anti-radical activities of the different fractions towards superoxide anion were compared when pentamers and hexamers were found to be the most active.
摘要
从委陵菜的根茎中制备了标准化的水溶性提取物。提取物中的原花青素通过在葡聚糖LH20上进行色谱分离，根据其聚合度进行分级。当发现五聚体和六聚体具有最强活性时，比较了不同级分对超氧阴离子的抗自由基活性。
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