银耳为滋补食品,这是众所周知的。可是变质的银耳不但于身体无益反而有害。近年来,山东东平县、河南郑州郊区、河北沧县及福建古田发生多起因食用变质银耳的严重中毒死亡事件,引起了人们的关注。这种中毒的发生,是由于在银耳培植后期发生烂耳,或采收后晾干过程中因天气阴雨湿度大银 Tremella is nutritious food, which is well known. But the deterioration of Tremella not only harmful to the body but not harmful. In recent years, many poisoning deaths have occurred in Dongping County of Shandong Province, Zhengzhou Suburb of Henan Province, Cangxian County of Hebei Province and Gutian County of Fujian Province, which caused many people’s attention. The occurrence of this poisoning is due to rotten ears in the late cultivation of white fungus, or drying after harvest because of heavy weather due to heavy rain and silver