MacConkey Agar with CV and without NaCl, 2.5KG

MacConkey agar with CV and Without NaCl is a differential medium recommended for the selection and recovery of the Enterobacteriaceae and related enteric gram-negative bacilli. Selective agents, Bile salts and crystal violet inhibit most species of gram-positive bacteria. Gram-negative bacteria usually grow well on the medium and are differentiated by their ability to ferment lactose. Lactose-fermenting strains grow as red or pink colored colonies and may be surrounded by a zone of acid precipitated bile. Escherichia coli and Enterobacter aerogenes ferment lactose while Salmonella species, Shigella species, Staphylococcus aureus does not ferment lactose. Application: For Laboratory Chemicals, Analytical Purpose, Biochemical Analysis Appearance: Light yellow to light pink homogeneous free flowing powder Gelling: Firm comparable with 1.5% Agar gel Color and Clarity of prepared medium: Orange red colored clear to slightly opalescent gel forms in Petri plates Reaction: Reaction of 4.65% w/v aqueous solution at 25 deg C. pH : 7.1±0.2