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In Vitro Antioxidant Activity of S-Carvone Isolated from Zanthoxylum alatum

机译:花椒中S-香芹酮的体外抗氧化活性

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摘要

Zanthoxylum alatum Roxb. is a medicinal plant which abundantly grows in the hilly areas of Pakistan. The dried fruit of the plant is used as condiment and has excellent spice value. S-carvone was isolated from Zanthoxylum alatum, purified using chromatographic methods, and studied by GC-MC, FT-IR, and NMR techniques. The in vitro antioxidant activity of carvone was evaluated by different in vitro systems, including lipid peroxidation, 2,2-dipenyl-1-picrylhydrazyl (DPPH) and phosphomolybdenum assay. The isolated carvone showed inhibition activity against thiobarbituric acid reactive species (TBARS) induced by different pro-oxidants (10 M FeSO4 and 5 mu M sodium nitroprusside) in rat liver and brain homogenates. The extract also caused the scavenging of DPPH radical and the reduction of molybdenum, Mo(VI) to Mo(V). The results indicated that S-carvone possesses high antioxidant activity.
机译:Zanthoxylum alatum Roxb。是在巴基斯坦丘陵地区大量生长的药用植物。该植物的干果用作调味品,具有极好的香料价值。从花椒中分离出S-香芹酮,使用色谱法纯化,并通过GC-MC,FT-IR和NMR技术进行研究。香芹酮的体外抗氧化活性通过不同的体外系统进行了评估,包括脂质过氧化,2,2-二烯基-1-吡啶并肼基(DPPH)和磷钼检测。分离出的香芹酮对大鼠肝脏和脑匀浆中的不同促氧化剂(10 M FeSO 4和5μM硝普钠)诱导的硫代巴比妥酸反应性物种(TBARS)具有抑制活性。提取物还引起清除DPPH自由基以及将钼Mo(VI)还原为Mo(V)。结果表明,S-香芹酮具有很高的抗氧化活性。

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