Mushrooms are usually divided into edible and inedible, however, even a perfectly looking specimen can pose a threat, said biologist R. Oparin.
According to the specialist, the mycelium absorbs everything from the environment indiscriminately. As a result, mushrooms can accumulate heavy metals and radionuclides. The concentration of toxic substances can exceed the background levels in the soil by ten times.
Even an edible mushroom represents a complex ecological system. Both inside and on the surface, mold often develops, producing toxins that are resistant to heat treatment and increase the risk of malignant tumors. Old, wormy, or improperly dried mushrooms are particularly dangerous, reports "Lenta."
Moreover, the chitinous shell of mushrooms is difficult to digest, so they should not be overconsumed. Additionally, chitin hinders the absorption of beneficial substances, concluded the biologist.
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