days.
People who are pregnant, older, very young, or immunocompromised should be especially cautious with foods made from raw eggs.
Common Mayonnaise Storage Mistakes
Leaving the jar open
An uncovered jar can absorb odors and collect contaminants.
Using a dirty utensil
A knife used on bread, meat, tuna, or eggs can introduce food particles and bacteria.
Keeping it beside the stove
Repeated heat exposure reduces its quality and shelf life.
Assuming the best-by date guarantees safety
The date mainly concerns quality. Storage conditions and visible signs of spoilage still matter.
