摘要
目的:研究木蝴蝶总黄酮的抗氧化活性。方法:采用二苯代苦味酰基苯肼(DPPH)法、水杨酸法和邻苯三酚自氧化法来考察其抗氧化活性,并与Vc做比较。结果:在试验浓度内,木蝴蝶总黄酮对二苯代苦味酰基苯肼自由基(DPPH.)、羟自由基(.OH)和超氧阴离子自由基(O2-.)均有较好的清除作用,其EC50分别为19.73,231.70,318.93 mg·L-1,在9.52～57.12 mg·L-1,其对DPPH.的清除率高于VC。结论:木蝴蝶总黄酮有良好的抗氧化活性,具有进一步开发利用的价值。
Objective： To study the antioxidant activity of total flavonoids from Oroxylum indicum. Method： The antioxidant activity of the total flavonoids from O. indicum was determined by DPPH, salicylic acid and pyrogallol auto-oxidation. Result： Compared with Vc, the total flavonoids from O. indicum had better scavenging effect on DPPH ·,·OH, O2- ·in the determination of the concentration range, the ECso was 19.73, 231.70, 318.93 mg .L^-1 respectively; and the scavenging effect on DPPH -was better than Vc in the concentration range of 9.52-57.12 mg·L^-1. Conclusion： The total flavonoids from O. indicum had better antioxidant activities, so it would be valuable to be further developed and used.
出处
《中国实验方剂学杂志》
CAS
北大核心
2012年第23期102-105,共4页
Chinese Journal of Experimental Traditional Medical Formulae
关键词
木蝴蝶
总黄酮
自由基
清除率
抗氧化活性
Oroxylum indicum
total flavonoids
free radicals
scavenging rate
antioxidant activity
