"Microbial Limit Test (PPT 02766) Tests designed to understand the qualitative and quantitative estimation of microorganisms present in a sample. This contain tests for total count and pathogen as well. The test mainly done to assess the presence of microorganisms in non sterile pharmaceuticals, healthcare or cosmetics that range from raw materials to finished products. Hence if there is an exceed in the number of microorganisms estimates the safety of such products. There is large number of culture media used for quantitative determination of total count of bacteria or fungi. The total population is estimated by making use of methods filtration, pour pate, spread plate and serial dilution method. Pathogen detection of bacteria like Escherichia coli, Pseudomonas aeruginosa, Salmonella, Staphylococcus aureus and fungi like Candida albicans and Aspergillus niger are usually estimated. More information about the MLT can be understood from the powerpoint presentation."

Reshma Menon

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