Abstract
Objectives : To evaluate the in vitro scavenging activity, inhibitory effect of LDL oxidation of pro-oxidant reactive species, anti-platelet aggregative effects and anti-thrombosis effects in response to treatment with SA using various screening methods including biological and non-biological oxidants. Methods : The antioxidant activity concerning extract from SA was studied with in vitro methods by measuring the antioxidant activity by TEAC, measuring the scavenging effects on reactive oxygen species (ROS) [superoxide anion, hydroxyl radical] and on reactive nitrogen species (RNS) [nitric oxide and peroxynitrite] as well as measuring the inhibitory effect on -induced human LDL oxidation and the inhibitory effect on thrombin-induced platelet aggregation and thrombosis. Results : SA extracts were found to have a potent scavenging activity regarding oxidative stress as well as an inhibitory effect towards LDL oxidation, platelet aggregation, and thrombosis. Conclusions : The SA extracts have anti-oxidative and anti-atherosclerotic effects in vitro system, which can be used for developing pharmaceutical drugs against oxidative stress and atherosclerosis.
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