Introducing RAINBOW® AGAR O157 unique and innovative product that streamlines identification. This product provides the first truly simple alternative to the traditional isolation of E. Coli O157:H7. Much more specific for E. Coli O157:H7 than MacConkey Sorbitol Agar, Rainbow Agar O157 is also useful for isolation and differentiation of other verotoxin-producing E. Coli (VTEC) from non-toxigenic E. Coli strains. As shown above, O157:H7 strains have a unique and distinctive black colouration, typical non-O157 VTEC strains are blue or purple, and most non-toxigenic E. Coli strains are reddish in colour. Other species are either inhibited on this medium or grow as white or cream-colored colonies.


The World's Best Salmonella Medium



Rainbow® Agar Salmonella is best

Detects the widest range of Salmonella sp. including S. typhi Superior selectivity, sensitivity, and stability Blackest coloration - even tiny colonies are easily visible Permits direct isolation from mixed cultures

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