Ensemble de milieux, numération totale des bactéries

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Tryptic Soy Broth (TSB) is used as an enrichment medium in the Most Probable Number (MPN) method to estimate the total aerobic bacteria count. This medium supports the growth of a very wide range of bacteria, including fastidious and non-fastidious organisms Tryptic Soy Broth supports the growth of a very wide range of bacteria such as Streptococcus, Neisseria, Listeria, Haemophilus, Vibrio, Corynebacterium, and Brucella, as well as common bacteria such as Staphylococcus aureus, Escherichia coli, and yeasts, and molds.

MPN tests for total viable bacterial counts are used in many applications, including sterility testing for non-sterile products and the microbial enumeration of food and water.

It is also an excellent non-selective growth medium for the cultivation of microorganisms.