Research on anti-bacterial effects of 5 kinds of Chinese herb extracts on Ameromonas hydrophila In vitro | 5种中草药提取物对嗜水气单胞菌的体外抑菌效果
2011
Jiang Jufeng, Tianjin Fisheries Research Institute, Tianjin (China) | Wang Yupei, Tianjin Fisheries Research Institute, Tianjin (China) | Li Chunyan, Tianjin Fisheries Research Institute, Tianjin (China)
[Objective] The aim was to study the anti-bacterial effects of 5 kinds of Chinese herb extracts on Ameromonas hydrophila in vitro. [Method] In vitro anti-bacterial effects of 5 kinds of Chinese herb extracts like Galla Chinensis, Syzygium aromaticum, Salvia miltiorrhiza, Punica granatum L. and Terminalia chebula Retz on Ameromonas hydrophila were studied; furthermore, cure rates of the Chinese herb extracts with better anti-bacterial effects were determined to find out the optimal drug dosage. [Result] Under the same experimental conditions, Galla Chinensis, Punica granatum and Terminalia chebula Retz had relatively strong anti-bacterial effects on Ameromonas hydrophila, among them the anti-bacterial effect of Galla Chinensis was significantly higher than those of the others (P 0.05). The optimal treatment dose of Galla Chinensis treating bacterial septicemia caused by Aeromonas hydrophila was that they were treated with medicated bath for 40 min by 0.5 mg/ml Galla Chinensis extract, and the cure rate was 100%. [Conclusion] The research provides a scientific drug basis for the control and prevention of outbreak bacterial diseases of fish.
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