1, generally more than 24 hours is best not to eat.

2, fungus soaking in more than 8 hours, there will be a small amount of bacteria and other microbial growth, with the longer the soaking time, generally more than 24 hours, fungus in the harmful substances will be more and more, the fungus will be gradually decomposed by the bacteria, the loss of food value, and even the harmful bacteria and toxic metabolites will be increased, if consumed with the risk of food poisoning, it is recommended that you do not eat.