1. Determine whether the fungus is edible based on its condition.

2. If the fungus is soaked in a low-temperature environment in winter or in a refrigerator, then even if it is soaked in water for 8 hours, the bacteria will multiply slowly due to the low temperature, and the fungus may still be tender and soft. , fresh and fragrant, still edible;

3. However, if the fungus is left to soak for 8 hours under high temperatures in summer, it is likely to become soft and change flavor. In this case The fungus underneath may have been decomposed by bacteria and mold, producing mycotoxins and other substances, which are harmful to the body after consumption.