藤茶粉和二氢杨梅素对2种水产致病菌体外抑菌研究

ZHANG Xianshu, LIU Jinxiong,ZHU Zhi, TANG Jiujiu,ZHANG Junbo,YIN Shuanghong,ZHANG Mengqin

Journal of Fisheries Research（2022）

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Abstract

试验研究藤茶成分对鱼类常见致病菌的体外抑制效果.选取藤茶粉和二氢杨梅素对维氏气单胞菌和嗜水气单胞菌进行体外抑菌试验,采用琼脂平板打孔法、试管二倍稀释法和平板培养法,测定抑制圈直径、最小抑菌浓度(MIC)和最小杀菌浓度(MBC).结果显示,藤茶粉对维氏气单胞菌和嗜水气单胞菌的MIC和MBC均为6.25 mg/mL;二氢杨梅素对维氏气单胞菌和嗜水气单胞菌的MIC和MBC均为1.25 mg/mL.结果表明,藤茶粉和二氢杨梅素对维氏气单胞菌和嗜水气单胞菌均有较好的抑制效果,为藤茶成分作为饲料添加剂治疗水产细菌病提供了参考.

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