香薰中药消毒剂的抑菌活性研究.doc
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1、香薰中药消毒剂的抑菌活性研究摘要:目的 制备香薰中药消毒剂,观察其对病房常见菌的抑制作用。方法 采用K-B纸片扩散法观察香薰中药消毒液对金黄色葡萄球菌、铜绿假单胞菌、大肠杆菌、肺炎链球菌、粪肠球菌及肺炎克雷伯菌等病房常见菌的抑制作用;采用平板法涂布研究了供试菌的最低抑菌浓度(MIC);采用自然沉降法,观察香薰中药消毒液对病房消毒后1h和通风后1h的消毒效果。结果 香薰中药消毒液对金黄色葡萄球菌、铜绿假单胞菌、大肠杆菌、肺炎克雷伯菌有较好的抑制作用,尤其对金黄色葡萄球菌和大肠杆菌最为敏感。香薰中药消毒剂对金色葡萄球菌、大肠埃希菌、绿脓假单胞菌、肺炎克雷伯菌的MIC分别为: 2.50mL/L、5.
2、00mL/L、40 mL/L、20mL/L。用于病房消毒,在消毒1h后及通风1h后仍保持较好的消毒效果,杀菌率均达75%以上,并且消毒效果与3%过氧化氢相当。结论 香薰中药消毒液对病房常见菌有较好的抑制作用,并且气味芳香,值得推广。关键词:香薰中药消毒剂;病房消毒;最低抑制浓度;抑菌活性注:本论文题目来源于教师的市级科研项目,项目编号为:J2012070。To study the Antimicrobial Activity of Fragrant disinfectant Disinfection Abstract: Objective To prepare Fragrant disinfe
3、ctant Disinfection and observe its inhibitory effect on ward common bacteria.Methods To observe the inhibitory effect of aromatherapy disinfectant isolates of Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli ,Enterococcus faecalis and Streptococcus pneumoniae, Klebsiella pneumonia war
4、ds with K-B disk diffusion method.The minimum inhibitory concentration(MIC) by plate spread and antimicrobial activity by plate diffuse to tested bacteria .Using a s the method of falling down naturally to observe the disinfection effect of aromatherapy liquid disinfectant for ward 1h and ventilatio
5、n after 1h. Results Aromatherapy disinfectant has good inhibitory effect on Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae, especially for Staphylococcus aureus and Escherichia coli was the most sensitive.the minimum inhibitory concentration(MIC) to Staphyloco
6、ccus aureus, Pseudomonas aeruginosa, Escherichia coli, Klebsiella pneumoniae was 2.5 mL/L、5.0mL/L、40mL/L and 20 mL/L.For ward, still maintain a good disinfection efficacy in disinfection of 1h and ventilation after 1h, the sterilization rate reached above 75%, and the disinfection effect and 3% Hydr
7、ogen peroxide. Conclusion Aromatherapy disinfectant has good effect on controlling unit common bacteria, and smell fragrant, worthy of promotion. Keywords: Fragrant disinfectant disinfection; Ward disinfection;Minimum inhibitory concentration(MIC); Antimicrobial activity目 录摘要I-1 前言12 实验材料32.1 药材32.2
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