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  • Title: [Studies on the antioxidant activities of leaves from Senecio argunensis].
    Author: Zhou YJ, Li CQ, Wang ZZ.
    Journal: Zhong Yao Cai; 2008 Sep; 31(9):1355-7. PubMed ID: 19180957.
    Abstract:
    OBJECTIVE: To study antioxidant activities of different extracts of Senecio argunensis. METHODS: The antioxidant activities of S. argunensis extracts with acetoacetate, n-Butanol and water were detected by DPPH * free radical-scavenging method and beta-carotene/linoleic acid system. RESULTS: The acetoacetate, n-Butanol and water extracts from S. argunensis eliminated DPPH * in dose-dependent manner, their EC50 values were 0.0198, 0.0219 and 0.092 mg/ml, respectively. The strength order of the antioxidant activities of the three parts in beta-carotene/linoleic acid system was acetoacetate, n-Butanol and water extracts. CONCLUSION: The extracts of the three parts of S. argunensis all have antioxidant activities. Among these extracts, extracts with acetoacetate have the highest antioxidant activity.
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