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当前位置: 首页 > 文章 > 26味中药对狐源致病性大肠埃希菌地方株体外抑菌试验 动物医学进展 2018 (2) 127-130
Position: Home > Articles > Antibacterial Effects of 26 Kinds of Chinese Herbal Medicines on Pathogenic E. coli from Foxes in Vitro Progress in Veterinary Medicine 2018 (2) 127-130

26味中药对狐源致病性大肠埃希菌地方株体外抑菌试验

作  者：
张召兴;肖丽荣;李巧玲;李蕴玉;李佩国;吉志新;岳香云;贾青辉;史秋梅
单  位：
河北科技师范学院/河北省预防兽医学重点实验室
关键词：
中草药;狐;致病性大肠埃希菌;体外抑菌
摘  要：
为了研究五味子等26味中药对狐源致病性大肠埃希菌(Escherichia coli)HL2(O1)地方流行株的体外抑菌活性,采用水提法制备了单味中草药药液,浓缩为生药含量为1g/mL,利用平板打孔法和微量二倍稀释法分别测定26味中药对狐源致病性E.coli HL2(O1)的抑菌圈直径和最小杀菌浓度(MBC)。结果显示,五味子、诃子对狐源致病性E.coli呈极度敏感,抑菌圈直径在21.3mm~20.3mm之间,MBC均为7.825mg/mL;金银花、黄连、苦参3味药物高度敏感,抑菌圈直径在16.4 mm~19.3 mm之间,MBC在15.65mg/mL~31.25mg/mL;板蓝根、黄芩、五倍子等10味药物中度敏感,抑菌圈直径在11.3mm~14.2mm之间,MBC在62.5mg/mL~250mg/mL;连翘、地丁、白头翁、穿心莲4味药物为低度敏感;其余药物无明显的效果。筛选出了五味子、诃子、黄连、金银花、苦参5味对狐源致病性E.coli HL2(O1)地方株敏感的中药,可为狐源致病性E.coli的防治提供基础。
译  名：
Antibacterial Effects of 26 Kinds of Chinese Herbal Medicines on Pathogenic E. coli from Foxes in Vitro
作  者：
ZHANG Zhao-xing;XIAO Li-rong;LI Qiao-ling;LI Yun-yu;LI Pei-guo;JI Zhi-xin;YUE Xiang-yun;JIA Qing-hui;SHI Qiu-mei;Key Laboratorry of preventive Veterinary Medicine in Heibei Province,Hebei Normal University of Science and Technology;
关键词：
Chinese medicinal herb;;fox;;pathogenic E;;coli;;in vitro antibacterial activity;;MIC
摘  要：
In order to study antibacterial effects of 26 kinds of Chinese herbal medicines on the local pathogenic strain of E.coli HL2(O1)in vitro,Chinese medicine solutions were prepared by water extracting,and the concentration of the solution was diluted to 1 g/mL.The diameter of inhibition zone was measured by the agar diffusion plate method.The minimum bactericidal concentration(MBC)was determined by modified trace dilution method and plate method.The results showed the local strain of pathogenic Escherichia coli was extremely sensitive to 2 kinds of Chinese medicines,such as Schisandra chinensis and Terminalia chebula,and the diameter of the inhibition zone was between 21.3 mm and 20.3 mm.The MBC of2 kinds of Chinese medicines was 7.825 mg/mL;The local strain of pathogenic Escherichia coli was highly sensitive to 3 kinds of Chinese medicines,such as Coptis chinensis and Sophora flavescens,and the diameter of the inhibition zone was between 16.4 mm and 19.3 mm,and MBC of 3 kinds of Chinese medicines was 15.65 mg/mL-31.25 mg/mL,and the 10 kinds of drugs were medium sensitive such as Radix isatidis,Scutellariae baicalensis and Rhus chinensis,and the diameter of the inhibition zone was between 11.3 mm and 14.2 mm,the MBC of Chinese medicines was 62.5 mg/mL-250 mg/mL;The 4 kinds of Chinese medicines had the low sensitivity;The remaining drugs had no significant effect.In conclusion,5 kinds of Chinese medicines had good antibacterial effects on the local strain of pathogenic E.coli and it provided a theoretical basis on prevention and control of the local strains of pathogenic E.coli by Chinese medicines.

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