Does yogurt spoil if it gets warm?

Unopened yogurt does not spoil. Once opened, the yogurt can begin to ferment, which leads to an expanded gel-like texture and a sour taste. If left unchecked, the bacteria can cause yogurt to quickly turn into yogurt cheese, which is an unpleasant, rubbery texture. To prevent warm yogurt from spoiling, keep it refrigerated after opening. If you don’t plan to use it within a few days, place it in an airtight container and freeze it.

Does yogurt spoil if you leave it out in the sun?

Like milk, yogurt is pasteurized to kill bacteria and other germs. If you keep yogurt in direct sunlight, it will eventually become spoiled. Storing yogurt in the refrigerator will slow down the process, but it will still eventually sour.

Does yogurt spoil if it sits out on the counter?

Even though room temperature is on the lower end of the refrigerator's temperature range, yogurt can still develop bacteria. To keep yogurt from spoiling, put it in the refrigerator as soon as it's made. If you want to take yogurt out of the fridge to let it come to room temperature, put it back in the fridge to prevent bacteria from growing.

Does yogurt spoil if you leave it out?

If you leave yogurt out at room temperature (or at warmer temperatures, such as in a car), it will usually remain delicious and safe to eat. But in order to prevent it from spoiling, you should keep yogurt refrigerated after opening. If you leave yogurt out at room temperature, it can quickly start to sour.

Will yogurt spoil if it gets warm?

Heat, whether from the outside or from within the container, does not harm yogurt, as long as it’s not pasteurized. If you reheat yogurt leftovers, make sure to do so slowly over low heat in the microwave or in a saucepan. Never reheat yogurt at temperatures above 140°F/60°C. Once the yogurt is cool, cover and refrigerate it.