Lactobacillus MRS Agar (MRS Agar)Recommended for the isolation and enumeration of lactic acid bacteria from meat and meat products. The composition and performance criteria of this medium are as per the specifications laid down in ISO 1995, Draft ISO/DIS 13720:2010. Peptone, HM Extract B, yeast extract , dextrose provides carbon and nitrogen sources for lactobacilli growth. Sodium acetate and ammonium citrate inhibit Streptococci, moulds and many other microorganisms. Magnesium sulphate and manganese sulphate provide essential ions for multiplication of lactobacilli. Phosphates provide good buffering action in the media. Polysorbate 80 supplies fatty acids required for the metabolism of Lactobacilli.
