one hour. Beyond
this period, the risk of bacterial growth increases significantly, and the mayonnaise should be discarded to prevent the risk of foodborne illness.
Signs That Mayonnaise Has Spoiled
Spoiled mayonnaise may exhibit several signs, including an off smell, a change in color, or a separation of the emulsion. If the mayonnaise develops a sour or rancid odor, it is a clear indication that it has gone bad.
Additionally, any visible mold or discoloration is a sign that the mayonnaise should not be consumed.
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