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目的:考察微生物限度检查中供试液中的细匀程度对细菌数测定有无影响。方法:以4种常用中成药制剂为实验对象,分别用研磨法和振荡法制成细匀程度不同的供试液,作细菌数测定。结果:在研磨法和振荡法中,供试液的细匀程度对细菌数测定均有显著影响。结论:正确制备供试液,是保证检验结果正确可靠的重要条件。
OBJECTIVE: To investigate the effect of the fine uniform degree in the test solution on the determination of the number of bacteria in the limit test of microorganisms. Methods: Four kinds of commonly used proprietary Chinese medicines were used as experimental objects, and the test solution with different degree of fineness was made by grinding method and shaking method, respectively. Results: In the grinding method and the oscillation method, the fine uniformity of the test liquid had a significant effect on the bacterial count. Conclusion: Proper preparation of test solution is an important condition to ensure the test results are correct and reliable.