| 番石榴叶对食品中几种常见细菌的抑菌作用 |
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| 引用本文： | 徐金瑞,郭志成,罗燕琴,刘思超,刘燕娴.番石榴叶对食品中几种常见细菌的抑菌作用[J].食品研究与开发,2010,31(3). |
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| 作者姓名： | 徐金瑞 郭志成 罗燕琴 刘思超 刘燕娴 |
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| 作者单位： | 广东药学院,食品科学学院,广东,广州,510310 |
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| 基金项目： | 广东药学院师资队伍建设经费资助项目，广东药学院博士科技启动基金 |
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| 摘 要： | 应用药敏纸片法和试管二倍稀释法,对比研究番石榴叶水提取物和乙醇提取物对食品中4种常见细菌(金黄色葡萄球菌、沙门氏菌、大肠杆菌和枯草芽孢杆菌)的抑菌效果,分析抑菌作用与其总黄酮含量的关系.结果表明:番石榴叶水提取物、乙醇提取物对金黄色葡萄球菌、沙门氏菌、大肠杆菌、枯草芽孢杆菌均有一定的抑菌活性,总体上,水提取物抑菌活性优于乙醇提取物,水提取物的抑菌效果为金黄色葡萄球菌＞沙门氏菌＞大肠杆菌＞枯草芽孢杆菌;黄酮类化合物是番石榴叶中重要的抑菌物质之一.
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| 关 键 词： | 番石榴叶 提取物 抑菌作用 黄酮类化合物 |
Study on Antimicrobial Effect of the Guava Leaf Extract against Familiar Bacteria in Food |
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| XU Jin-rui,GUO Zhi-cheng,LUO Yan-qin,LIU Si-chao,LIU Yan-xian.Study on Antimicrobial Effect of the Guava Leaf Extract against Familiar Bacteria in Food[J].Food Research and Developent,2010,31(3). |
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| Authors: | XU Jin-rui GUO Zhi-cheng LUO Yan-qin LIU Si-chao LIU Yan-xian |
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| Affiliation: | XU Jin-rui,GUO Zhi-cheng,LUO Yan-qin,LIU Si-chao,LIU Yan-xian (College of Food Science,Guangdong Pharmaceutical University,Guangzhou 510310,Guangdong,China) |
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| Abstract: | The antimicrobial effect of guava leaf water extract and ethanol extract against four familiar bacteria (Staphylococcus aurous,Salmonella pullorum,Escherichia coli and Bacillus subtilis)were studied by drug sensitive slips method and tube double dilution method,respectively.Furthermore,the correlation of antimicrobial effect and flavonoid content was analyzed.The results showed the water extract and ethanol extract both had certain antimicrobial activity to Staphylococcus aurous,Salmonella pullorum,Escheric... |
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| Keywords: | guava leaf extract antimicrobial effect flavonoid |
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