石榴叶和甘薯叶提取物的抗菌活性研究

ZHOU Zhongchi, XU Zhilong,CHEN Xuehong, JIANG Jinchen,SUN Huigang

China Food Safety Magazine(2022)

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Abstract
本文以大肠杆菌、金黄色葡萄球菌、枯草芽孢杆菌和蜡样芽孢杆菌为指示菌,以甲醇为提取溶剂,索氏提取法提取石榴叶有效成分,进行抑菌实验.结果表明,石榴叶提取液对4种指示菌均有良好的抑菌效果,甘薯叶提取液仅对枯草芽孢杆菌无抑菌效果;甘薯叶提取液和石榴叶提取液比例为4:6时,对大肠杆菌的抑菌效果最佳,其比例为2:8时,对大肠杆菌、金黄色葡萄球菌、枯草芽孢杆菌和蜡样芽孢杆菌的抑菌效果最佳.
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