When other environmental conditions are optimal, most microorganisms do not exhibit growth below 0.91 water activity, with a few relevant exceptions, notably the staphylococci and fungi. Staphylococcus aureus, a common meat pathogen, can grow as low as 0.86 water activity depending upon the other growth conditions, particularly if oxygen is present.
When other environmental conditions are optimal, most microorganisms do not exhibit growth below 0.91 water activity, with a few relevant exceptions, notably the staphylococci and fungi. Staphylococcus aureus, a common meat pathogen, can grow as low as 0.86 water activity depending upon the other growth conditions, particularly if oxygen is present.
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