eli5: Why can you eat some types of cheese with mold (blue cheese) but not others (Gouda)?

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So some cheeses seem to be toxic for you if you eat them when they have mold on them, while others are mainly being consumed when they get moldy. Why is it so that some types of cheese will make you sick, while you can eat others without a problem?

In: Chemistry

16 Answers

Anonymous 0 Comments

Short version: The mold that grows on Bleu Cheese is a very very specific species of mold that isn’t toxic to humans.

But if you leave it any food out for too long (cheese or any food, really), some random wild mold floating through the air will land on the food and start growing.

This wild mold is not the safe species from bleu, so it can be toxic to humans.

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