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Appl Environ Microbiol. 1969 November; 18(5): 944-945
Copyright © 1969 American Society for Microbiology. All Rights Reserved.
a Department of Bacteriology, Iowa State University, Ames, Iowa 50010
ABSTRACT
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.
1 Journal paper no. J-6306 of the Iowa Agricultural and Home Economics Experiment Station, Ames, Iowa.
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