Mushrooms, despite the fact that there are cultivated and wild mushrooms, no matter which kind of mushrooms are easy to retain a large amount of nitrates, if the mushrooms are overnight, the nitrates are very easy to produce carcinogens in spite of the bacterial decomposition, so the mushrooms can't be eaten overnight. In addition, there are also silver fungus can not be eaten overnight.
The soup is not drinkable?
It is best not to drink overnight soup. Especially like to store the soup in the iron pot, aluminum pot, which is easy to produce harmful substances. If it is necessary to soup overnight, but also must be soup without any seasoning, storage soup should also be the use of preservation box and placed in the refrigerator.