As a food safety expert, I can provide you with some key indicators to determine if yogurt has spoiled. Yogurt is a perishable food item that can go bad if not stored properly or if it's past its expiration date. Here's how you can tell if your yogurt has gone bad:


1. Expiry Date: Always check the expiration or "use by" date on the packaging.

2. Odor: Spoiled yogurt will often have a sour or off smell that is quite noticeable.

3. Texture: If the yogurt has separated and the liquid on top appears watery, it may be a sign of spoilage.

4. Color: Discoloration, such as yellowing or darkening, can indicate that the yogurt is no longer fresh.

5. Taste: If the yogurt tastes sour or off in any way, it's best to discard it.

6. Mold: Visible mold is a clear sign that the yogurt is spoiled and should not be consumed.

If you're unsure, it's always safer to throw the yogurt away. When in doubt, don't consume it.

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If there's an increased amount of liquid or any liquid in containers that don't usually have it, then it's gone bad. Of course if you see mold, that is a surefire sign to toss your yogurt out. Finally, take a whiff if there's no liquid or mold. If it smells sour, it's time to get rid of it.read more >>