芦苇叶总黄酮抑菌及抗氧化性能研究Study on Antibacterial Activity and Antioxidant Activity of Total Flavonoids from Reed Leaf
许伟;郭海滨;邵荣;余晓红;马磊;云志;
摘要(Abstract)：
[目的]对芦苇叶总黄酮的抑菌性和对大豆油的抗氧化性进行研究。[方法]用液体培养法以及平板涂布培养法进行抑菌性研究,用碘量法进行POV值的测定研究总黄酮对大豆油的抗氧化作用。[结果]在总黄酮浓度为1mg/ml时,其对黑曲霉(Aspergillus niger)、大肠杆菌(E.coli)、铜绿假单胞菌(Pseudomonas aeruginosa)和淀粉液化芽孢杆菌(Bacillus amyloliquefaciens)的抑菌率分别为26.83%、45.78%、68.53%和84.83%。结合平板培养结果可得出对各菌种的抑制效果为:淀粉液化芽孢杆菌>铜绿假单胞菌>大肠杆菌>黑曲霉。在大豆油中添加一定量的芦苇叶总黄酮提取物后,其POV值出现显著下降,但抗氧化效果低于添加等量维生素C。[结论]芦苇叶总黄酮具有较明显的抑菌和抗氧化作用,且浓度越大效果越好,该研究为芦苇的综合开发利用提供了参考。
关键词(KeyWords)： 总黄酮;芦苇;抑菌性;抗氧化性
基金项目(Foundation): 盐城工学院重点建设学科开放项目(XKY2009001,XKY2009004)
作者(Author): 许伟;郭海滨;邵荣;余晓红;马磊;云志;
Email:
DOI: 10.13989/j.cnki.0517-6611.2010.29.090
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