Cyclocarya paliurus leaf extract and application of cyclocarya paliurus leaf extract in preparation of antibacterial drugs and/or antibacterial agents for inhibiting drug-resistant bacteria

The invention provides a cyclocarya paliurus leaf extract and application of the cyclocarya paliurus leaf extract in preparation of antibacterial drugs and/or antibacterial agents for inhibiting drug-resistant bacteria. Experiments prove that the cyclocarya paliurus leaf extract provided by the invention has an obvious killing effect on methicillin-resistant staphylococcus aureus strains, and the problem that the methicillin-resistant staphylococcus aureus strains are resistant to most antibacterial drugs is solved. The cyclocarya paliurus leaf extract provided by the invention can be prepared into an antibacterial drug or an antibacterial agent aiming at drug-resistant bacteria, and has an excellent application prospect in solving the worldwide problem of drug-resistant bacterial infection. 本发明提供了一种青钱柳叶提取物及其在制备抑制耐药细菌的抗菌药物和/或抗菌剂中的用途。实验证明，本发明提供的青钱柳叶提取物对耐甲氧西林金黄色葡萄球菌株具有明显的杀灭作用，克服了耐甲氧西林金黄色葡萄球菌株对绝大多数抗菌药物耐药的问题。本发明提供的青钱柳叶提取物可以制备成针对耐药细菌的抗菌药物或抗菌剂，在解决耐药细菌感染这一世界性难题上有优良的应用前景。