N. 46 - Culture media and diluents – Selection of Growth Media in Cleanrooms, RABS, Isolator

Microbiology according USP 38 – The United States Pharmacopeial – Document (1116) Aseptic Processing Environments -Page 1201, 1196. - Culture media and diluents The type of medium, liquid or solid, used for sampling or plating microorganisms depends on the procedures and equipment used. Any medium used should be evaluated for suitability for the intended purpose. The most commonly used all purpose solid microbiological growth medium is soybean casein digest agar. As previously noted, the medium can be supplemented with chemicals that counteract the effect of various antimicrobials.