Mannitol Salt Agar - Expected Results

Expected Results

  • Gram + staphylococci : fermenting mannitol: Media turns yellow (ex. S. aureus)
  • Gram + staphylococci : not fermenting mannitol. Media does not change color (ex. S. epidermidis)
  • Gram + streptococci : inhibited growth
  • Gram - : inhibited growth

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