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枸杞提取物的抗氧化作用
http://www.100md.com 《第四军医大学学报》 2007年第6期
枸杞;化学发光测定法;抗氧化作用;脂质过氧化作用,,枸杞;化学发光测定法;抗氧化作用;脂质过氧化作用,【关键词】枸杞;化学发光测定法;抗氧化作用;脂质过氧化作用,0引言,1材料和方法,2结果,3讨论,【参考文献】
     Antioxidation of Lycium barbarum extracts

    YANG XueKang, HAI ChunXu, LIANG Xin, ZHAO HaiLong, BAI Hua

    Department of Toxicology, School of Military Preventive Medicine, Fourth Military Medical University, Xian 710033, China

    【Abstract】 AIM: To investigate the antioxidative activity of the ethanol and water extracts of Lycium barbarum and their doseeffect relationship. METHODS: The Lycium barbarum extracts were provided by our laboratory. SpragueDawley rats were killed and then the livers were harvested to isolate the microsomes by calcium precipitation. The oxidantscavenging potential of the water and alcohol extracts was measured using the following chemiluminescence systems: CoCl2/EDTAinduced luminol chemiluminescence method and xanthinexanthine oxidaseluminol method. Two types of lipid peroxidation of rat liver microsomes models were used to determine the antioxidation of Lycium barbarum extracts. Then the content of malondialdehyde (MDA) was tested by colorimetry for analyzing the antioxidation of Lycium barbarum extracts in the 2 models. RESULTS: In the 2 chemiluminescence systems, compared with control group, the inhibition rate of ·OH and O2-· by different dosages of the 2 extracts significantly increased(P<0.01) ......

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