Evaluation of Thallium Acetate-Citrate Medium for Isolation of Enterococci1

AUTOR(ES)
RESUMO

Thallous acetate-citrate (TAC) agar, a selective medium for isolating enterococci from frozen foods, was evaluated. Two types of bacteria, micrococci and group N streptococci, were responsible for erroneously high enterococcus counts on TAC agar. Selectivity of the medium was improved by the addition of 0.01% sodium azide.

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