Enterobacteriaceae Coliform bacteria

Table 19.3 Total aerobic bacterial count, coliform bacteria, Enterobacteriaceae and Enterococcus, Salmonella and E. coll, for lettuce growing in late spring and late summer 2004 (Rattler et al., 2005)...

Colonies which react negatively (no colour change) must be suspected of containing coliform bacteria, since Enterobacteriaceae do not form cytochrome oxidase. 

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