M-MacConkey Broth is recommended for detection of lactose fermenting and nonfermenting enteric bacteria using membrane filter technique. It is recommended for the detection and enumeration of lactose fermenting enteric bacteria from milk and water using membrane filter technique. Saturate sterile absorbent cotton-pads with M-MacConkey Broth. The membrane filter is then aseptically placed on the saturated sterile absorbent cotton pads. It is widely used as a differential medium for detection and enumeration of coliforms from wide variety.
1. MacConkey, 1900, The Lancet, ii:20.2.MacConkey, 1905, J. Hyg., 5:333.3.Harrigan W.F. and McCance M.E. (Eds.), 1976, Laboratory Methods in Food and Dairy Microbiology, Academic Press,London.