颠茄合剂在室温配制和放置后 ,极易析出沉淀 ,为保证质量 ,作者在该溶液中分别加入 0 0 6 %尼泊金乙酯、 0 1 5%苯甲酸、 0 2 %山梨酸、 0 4 %氯仿[1]用防腐剂 ,对不同浓度的防腐剂的抑菌效果及细菌培养变化进行研究 ,结果表明 ,加入 0 1 5%苯甲酸作颠茄合剂防腐效果最好 Belladonna mixture formulated and placed at room temperature, the precipitate is very easy to precipitate, in order to ensure the quality, the authors were added to the solution of 0 0 6% ethylparaben, 0 1 5% benzoic acid, 0 2% sorbic acid, 0 4% chloroform [1] with preservatives, the effect of different concentrations of preservatives and bacterial culture changes were studied, the results showed that adding 0 1 5% benzoic acid for the belladonna mixture antiseptic effect best