Staphylococcus aureus Growing on Mannitol Salt Agar.

> Mannitol salt agar is selective for staphylococci because of the high salt concentration. Acid from mannitol fermentation causes the pH indicator phenol red to turn from red (alkaline) to yellow (acid).
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Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: September, 2017