MacConkey-NPS
Medium for selective detection and for differentiation of E. coli, coliforms, Lactose-negative salmonellae and shigellae (Enterobacteriaceae) in water, food and clinical samples.
E. coli form red colonies with red halo, coliform colonies are pink, while salmonellae and shigellae form crème coloured colonies. Accompanying gram-positive bacteria are largely inhibited.
Membrane filter: White with 0.45µm pore size
Recommended incubation condition: 24 hours at 37°C