Product Code TMPH 015T
MacConkey agars are slightly selective and differential plating media mainly used for the detection and isolation of gram- negative organisms from clinical, dairy, food, water, pharmaceutical and industrial sources. It is also recommended for the selection and recovery of the Enterobacteriaceae and related enteric gram-negative bacilli. USP recommends this medium for use in the performance of Microbial Limit Tests.
The medium corresponds with that recommended by APHA and can be used for the direct plating of water samples for coliform bacilli, for the examination of food samples for food poisoning organisms and for the isolation of Salmonella and Shigella species in cheese. Other than that, this medium is also used for count of coli-aerogenes bacteria in cattle and sheep faeces, the count of coli-aerogenes and non-lactose fermenters in poultry carcasses, bacterial counts on irradiated canned minced chicken and the recognition of coli-aerogenes bacteria during investigations on the genus Aeromonas. Lactose fermenting strains grow as red or pink and may be surrounded by a zone of acid precipitated bile.
For selective isolation and di?erentiation of coliform organisms and other enteric bacteria in accordance with the harmonized method of USP/EP/BP/JP/IP
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