Fresh mushrooms may be poisonous if they are kept for a long time. Fresh mushrooms go bad easily if they are kept for a long time. Because there are bacteria growing on the surface, it may have certain toxicity, which may easily cause gastrointestinal discomfort after eating. If they are eaten, they will be treated by doctors in time. Lentinus edodes is a common fungus and a non-toxic food. However, due to improper personal storage or long-term storage, the nutritional value of Lentinus edodes may be greatly lost, and it is also prone to obvious deterioration, such as long black spots and sticky surface to the touch.

Deteriorated mushrooms may be toxic, because a large number of bacteria and fungi grow after metamorphism, which can produce toxic substances, such as aflatoxin. If you eat spoiled mushrooms, it is easy to cause gastrointestinal discomfort such as nausea, vomiting and diarrhea, and even poisoning may occur in severe cases. Therefore, if it is fresh mushrooms, it is recommended to store them in a dry and ventilated place to avoid deterioration.

If mushrooms are kept for a long time, it is necessary to observe whether there are mildew spots before eating and judge whether they are not spoiled before eating. Pay attention to carefully cleaning mushrooms when eating to avoid gastrointestinal discomfort caused by unclean diet. If it is impossible to judge whether the mushrooms are spoiled, it is not recommended to eat them again, so as to avoid eating spoiled mushrooms by mistake and damaging your health.