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中草药对致病性维氏气单胞菌体外抑菌活性及 最优组方研究
引用本文:马志宏,李铁梁,姜娜,袁丁,罗琳.中草药对致病性维氏气单胞菌体外抑菌活性及 最优组方研究[J].中国畜牧兽医,2011,38(6):155-159.
作者姓名:马志宏  李铁梁  姜娜  袁丁  罗琳
作者单位:北京市水产科学研究所,北京 100068
基金项目:北京市科学技术委员会项目
摘    要:本研究旨在寻找防治鲟鱼病害的有效中草药药物。用水煎煮法提取天然物中草药有效成分,采用试管法测定各提取物对维氏气单胞菌的最低抑菌浓度,最后通过正交试验确定了4种中草药提取物体外抑菌的最优组方。33种中草药提取物对维氏气单胞菌抑菌效果最好的是五倍子,其MIC为0.97 μg/mL;其次是地榆和黄芩,两者MIC均为1.95 μg/mL;马齿苋和苦参抑菌效果最差,MIC为250 μg/mL。选取五倍子、地榆、地锦草和连翘进行正交试验,其最优组方为1∶2∶4∶8,该组方对维氏气单胞菌有明显的抑制作用,为进一步应用中草药防治水产养殖病害提供依据。

关 键 词:维氏气单胞菌  中草药提取物  体外抑菌活性  最低抑菌浓度  
收稿时间:2010-11-17

Study on the Bacteriostatic Activity and the Best Combination of Chinese Herbs against Pathogenic Aeromonas veronii in vitro
MA Zhi-hong,LI Tie-liang,JIANG Na,YUAN Ding,LUO Lin.Study on the Bacteriostatic Activity and the Best Combination of Chinese Herbs against Pathogenic Aeromonas veronii in vitro[J].China Animal Husbandry & Veterinary Medicine,2011,38(6):155-159.
Authors:MA Zhi-hong  LI Tie-liang  JIANG Na  YUAN Ding  LUO Lin
Affiliation:Beijing Fisheries Research Institute,Beijing 100068,China
Abstract:The study aimed to searching for an efficacious medicine curing sturgeon disease. Water extracts from Chinese herbs were screened against Aeromonas veronii by tube dilution method,the minimum inhibitory concentrations(MIC) were determined.Best combination was determined by orthogonal experiment. 33 kinds of Chinese herb water extracts had different bacteriostatic activity against Aeromonas veronii. Among these herbs,Rhus chinensis Mill. had the lowest MIC against Aeromonas veronii (0.97 μg/mL),which was better than Sanguisorba officinalis L. and Scutellaria baicalensis Georgi,both with MIC of 1.95 μg/mL. However,Portulaca oleracea L. and Sophora flavescens Ait had the highest MIC against Aeromonas veronii (250 μg/mL). The best combination against Aeromonas veronii contained Rhus chinensis Mill.,Sanguisorba officinalis L.,Euphorbia humifusa Willd. and Forsythia suspensa (Thunb) Vahl,the ratio was 1∶2∶4∶8. The combination had a good bacteriostatic effect. The results would provide evidences for further caring diseases of aquiculture by Chinese herbs.
Keywords:Aeromonas veronii  Chinese herbs extract  in vitro bacteriostatic activity  minimum inhibitory concentrations
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