ON THE DEMONSTRATION OF BACTERICIDAL SUBSTANCES IN COMMONLY USED CULTURE MEDIA
JOINT PUBLICATIONS RESEARCH SERVICE ARLINGTON VA
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The toxic substances which have repeatedly been suggested to be present in the commonly used meat infusion peptone broth can be extracted at least partially from various nutrient media with acetic acid ethyl ester and their action tested by cylinder and paper strip method. Their action is bactericidal and selective. Anthrax baccilli were consistently most susceptible, while Pseudomonas aeruginosa was almost resistant.