When mushrooms are damaged, they have dry, wrinkled, shrunken patches on the surface, discoloration, odor, and slipperiness, and a thin layer of mold and mucus covers the mushrooms.

If mushrooms are eaten raw, they are inherently toxic. If they have deteriorated due to storage or improper preservation, try not to eat such mushrooms because it is not certain whether spoiled mushrooms will produce more toxic substances, so in order to To prevent poisoning, do not eat spoiled mushrooms. Therefore, when buying mushrooms in the market, you should carefully select them and eat them as soon as possible after buying them. In order to avoid spoilage, do not store them for too long.

Extended information:

Precautions when eating mushrooms:

People who are allergic to mushrooms should not eat them. Mushrooms may also become allergens. If you are allergic to mushrooms, eating mushrooms may cause allergic symptoms such as skin redness and swelling, frequent diarrhea, indigestion, headaches, sore throat, asthma, etc. Therefore, these people should also avoid eating mushrooms.

Mushrooms are slippery and should not be eaten by those with diarrhea. People suffering from gastrointestinal diseases and liver and kidney failure should not eat mushrooms regularly, because mushrooms contain a substance called chitin, which hinders gastrointestinal digestion and absorption.

Baidu Encyclopedia-Mushrooms