| 穿心莲提取物体外抗菌活性及稳定性的研究 |
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| 引用本文： | 刘志祥,曾超珍,张映辉.穿心莲提取物体外抗菌活性及稳定性的研究[J].北方园艺,2009(1). |
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| 作者姓名： | 刘志祥 曾超珍 张映辉 |
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| 作者单位： | 1. 中南林业科技大学生命科学与技术学院,湖南长沙,410004
2. 浏阳市田家炳实验中学,湖南浏阳,410300 |
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| 基金项目： | 中南林业科技大学校科研和教改项目，中南林业科技大学校科研和校改项目 |
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| 摘 要： | 采用杯碟法对穿心莲提取物进行体外抗菌作用以及pH、温度因素对其抗菌活性的影响.结果表明:穿心莲提取物对金色葡萄球菌、枯草杆菌、大肠杆菌、黑曲霉、青霉都有明显的抑菌效果,最低抑菌浓度分别为0.5、0.25、0.25、0.125、0.25 mg/mL;最小杀菌浓度为0.5、0.5、0.5、0.5、0.25 mg/mL.穿心莲提取物的抑菌活性对热稳定性较差,在pH 4～7的条件下抑菌效果最佳.
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| 关 键 词： | 穿心莲提取物 抗菌作用 稳定性 |
Studies on Bacteriostatic Activity of Andrographis paniculata Extracts and its Stability |
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| LIU Zhi-xiang,ZENG Chao-zhen,ZHANG Ying-hui.Studies on Bacteriostatic Activity of Andrographis paniculata Extracts and its Stability[J].Northern Horticulture,2009(1). |
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| Authors: | LIU Zhi-xiang ZENG Chao-zhen ZHANG Ying-hui |
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| Institution: | 1.College of Life Science and Technology;Central South University of Forestry and Technology;Changsha;Hunan 410004;China;2.Liuyang Tianjiabing Experimental Middle School;Liuyang;Hunan 410300;China |
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| Abstract: | In this paper,bacteriostatic activity of Andrographis paniculata extracts and the effect of temperature,pH value on its antibacterial activities were studied by cylinder plate method.The results showed Andrographis paniculata extracts had strong inhibition effects on Staphylococcus aureus,Bacillus subtil,Escherichia coli,Aspergillus niger and Penicillium,the minimum inhibitory concentration(MIC) was 0.5,0.25,0.25,0.125,0.25 mg/mL,and minimum bactericidal concentrations(MBC) was 0.5,0.5,0.5,0.5,0.25 mg/mL re... |
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| Keywords: | Andrographis paniculata extracts Antibacteria1 activity Stability |
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