when you defrost and froze food again. It is said no longer safe to consume. Provided you are cooking the food (heat), will it not kill all the bacterias and thus make the food safe to eat?

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when you defrost and froze food again. It is said no longer safe to consume. Provided you are cooking the food (heat), will it not kill all the bacterias and thus make the food safe to eat?

In: Biology

The living bacteria aren’t the only threat. When they were alive they ate and made byproducts, many including poisons which they leave behind even if they are killed. Cooking may not destroy those poisons either.

If you’re simply talking about thawing and refreezing food, that is safe. Of course, this assumes that all appropriate precautions are taken during the handling and preparations of this food.

It will however, result in a huge loss in quality. Therefore, it’s generally recommended that you do not freeze food.

TLDR: refreezing food is a quality issue, not a safety issue

I’ve only heard of that in relation to meats, but not because it was unsafe. When you freeze something and then thaw it and then freeze it again you break down what I think is fiber in the food so when you cook it, it has a mushy mealy mouthfeel and that’s usually pretty unpleasant unless it’s an apple because mealy apples are delicious.

from what i heard is that you should not when you defrost and freeze again you are taking the food through the danger zone again and again so like if you keep doing that the chances of again being contaminated again are higher and higher.

There are two ways bacteria can harm you. They can reproduce rapidly in your body and make you sick. Or they can produce toxins as waste products. Heat will kill them so they don’t reproduce, but won’t necessarily get rid of the toxins.