When it comes to spoilage, look for any signs of mold, especially on the neck of the jar. The acidic or putrid smell is the second sure sign that the mayo is off. So if your mayonnaise smells like vinegar, it's definitely time to throw it out. If neither is present, the mayo is most likely safe to consume.
How can you tell if mayo has gone bad?
How to Tell If Mayo is Bad: 5 Different Ways
- Texture Changes: The mayo should have a creamy consistency. ...
- Discoloration: Discoloration is one of the first signs of spoiled mayonnaise. ...
- Strange Smell: Even though mayonnaise has vinegar, it does not smell overly sour or acidic. ...
- Sour Taste: ...
- Visible Molds:
Is eating expired mayonnaise bad?
Regardless of the date printed on the container or when you prepared your homemade batch, if your mayonnaise appears to have spoiled, throw it out. Signs that mayonnaise has gone bad include a change in color or texture, usually from creamy and white to lumpy and yellow. If mold appears, discard the entire container.