当归与白芷水煎提取液杀菌效果的试验观察

EXPERIMENTAL OBSERVATION ON BACTERICIDAL EFFICACY OF WATER DECOCTION OF RADIX ANGELICAE SINENSIS AND RADIX ANGELICAE DAHURICAE

将中药当归、白芷的水煎提取液混匀制成消毒液。以原液浓度为 10 0 % ,使用时加蒸馏水稀释。用悬液定量杀菌试验法检测其杀菌效果。以其 1 2 %溶液对大肠杆菌与金黄色葡萄球菌作用 1 0min ,杀灭率均达 99 9%以上。当有 5%小牛血清存在时 ,其杀菌效果明显下降。

Disinfection solution was prepared by mixing the water decoctions of Chinese drugs Radix Angelicae Sinensis and Radix Angelicae Dahuricae With the concentration of original solution as 100%, solution diluted with distilled water was used Suspension quantitative bactericidal test was used to examine its bactericidal efficacy The killing rates of Escherichia coli and Staphylococcus aureus exposed to its 1 2% solution for 1 0 min attained higher than 99 9% Its bactericidal efficacy decreased obviously in presence of 5% calf serum