| 地木耳提取物对几种常见微生物的抑菌研究 |
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| 引用本文： | 钱森和,厉荣玉,魏明,杨超英.地木耳提取物对几种常见微生物的抑菌研究[J].湖南农业科学,2011(17). |
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| 作者姓名： | 钱森和 厉荣玉 魏明 杨超英 |
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| 作者单位： | 1. 安徽工程大学生物与化学工程学院,安徽芜湖,241000
2. 皖南医学院,安徽芜湖,241001 |
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| 基金项目： | 安徽省高校省级科学研究项目(KJ2010B285,KJ2011B201) |
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| 摘 要： | 采用滤纸扩散法研究了地木耳提取物对五种常见微生物的抑菌作用,以及温度、pH值、紫外光等因素对其抑菌活性的影响。结果表明:地木耳提取物对大肠杆菌、啤酒酵母、枯草芽孢杆菌、白色念珠菌和粘质沙雷细菌五种常见微生物具有较好的抑制作用,其最小抑菌质量浓度为1.5~1 mg/mL,但与常用防腐剂柠檬酸的抑菌效果相比较差一些;地木耳提取物分别在121℃高温、紫外光照射5~25 min以及pH5.5~7.5的条件下,对大肠杆菌和枯草芽胞杆菌仍具有较好的抑菌效果。
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| 关 键 词： | 地木耳提取物 微生物 抑菌 稳定性 |
Antimicrobial Activities of Nostoc commun Extracts on Several Common Microorganisms |
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| QIAN Sen-he,LI Rong-yu,WEI Ming,YANG Chao-ying.Antimicrobial Activities of Nostoc commun Extracts on Several Common Microorganisms[J].Hunan Agricultural Sciences,2011(17). |
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| Authors: | QIAN Sen-he LI Rong-yu WEI Ming YANG Chao-ying |
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| Institution: | QIAN Sen-he1,LI Rong-yu2,WEI Ming1,YANG Chao-ying1(1.Department of Biochemistry,Anhui Polytechnic University,Wuhu 241000,PRC,2.Wannan Medical College,Wuhu 24001,PRC) |
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| Abstract: | The antimicrobial activities of Nostoc commun extracts on five common microorganisms and the influences of temperature,pH value and UV on its antibacterial activities were studied by the method of agar diffusion.The results indicated that the Nostoc commun extracts had obvious inhibition effects on Escherichia coli,Staphylococcus aureus,Bacillus sabtilis,Monilia albican and Serratia marcescens with minimum inhibition concentration(MIC) of 1.5~1.0 mg/mL,but worse than that of citrate's inhibition effects.The... |
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| Keywords: | Nostoc commun extracts microorganism antimicrobial stability |
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