摘要
目的建立氯霉素氧化锌乳膏的微生物限度检验方法。方法按照《中国药典》2020年版四部通则1105、1106,分别采用常规法、增加稀释液、增加培养基体积、增加稀释液-增加培养基体积联合、薄膜过滤法进行方法适用性试验。结果氯霉素氧化锌乳膏对金黄色葡萄球菌和枯草芽孢杆菌抑制作用较强,需要用薄膜过滤法才能使回收率在0.5~2;控制菌适用性试验中,增加培养基体积可消除样品对金黄色葡萄球菌的抑制作用。结论需氧菌总数测定采用薄膜过滤法;霉菌和酵母菌总数测定采用常规法;金黄色葡萄球菌检查采用增加培养基体积法;铜绿假单胞菌检查采用常规法。
Objective To establish a microbial limit test method for chloramphenicol zinc oxide cream.Methods According to the four general rules 1105 and 1106 of Chinese Pharmacopoeia,Edition 2020,the applicability test of the method was carried out by routine method and such methods as increasing diluent,increasing medium volume,combination of increasing diluent and medium volume,and membrane filtration method.Results Since chloramphenicol zinc oxide cream had a strong inhibitory effect on staphylococcus aureus and bacillus subtilis,the membrane filtration method was required to make the recovery rate between 0.5 and 2.Moreover,increasing the medium volume could eliminate the inhibitory effect of sample on staphylococcus aureus in the applicability test of control bacteria.Conclusion The total number of aerobic bacteria is tested by membrane filtration method;the total number of molds and yeasts is tested by routine method;staphylococcus aureus is tested by the method for increasing medium volume;pseudomonas aeruginosa is tested by routine method.
作者
孙乃霞
赵新霞
SUN Naixia;ZHAO Xinxia(Microbiology Laboratory of Puyang Food and Drug Inspection and Testing Center,Puyang,Henan 457000,China;Microbiology Laboratory of Henan Food and Drug Inspection Institute,Zhengzhou,Henan 450018,China)
出处
《安徽医药》
CAS
2023年第2期255-258,共4页
Anhui Medical and Pharmaceutical Journal
关键词
微生物限度检查
氯霉素氧化锌乳膏
薄膜过滤法
增加培养基体积法
常规法
Microbial limit test
Chloramphenicol zinc oxide cream
Membrane filtration method
Method for increasing medium volume
Routine method