1986年春在河南省曾发生银耳中毒的三个县进行调查,检测各类自然环境样品和各期银耳样品730余份,首次在红薯窖土、屋内墙壁土和贮存黄豆中分离出酵米面黄杆菌。该菌可通过管理者手、鞋、衣服和培植用水、报纸及风、小虫等多途径污染银耳。在干、鲜银耳,好、差银耳中均检出酵米面黄杆菌或黄杆菌毒素 A,检出率14.87%,污染严重。 In the spring of 1986, a survey was conducted in three counties where white fungus poisoning occurred in Henan Province. More than 730 samples of various natural environment and white fungus samples were detected. The first fermentation of Flavobacterium lemaneiformis was isolated from sweet potato cellar soil, indoor wall soil and stored soybeans . The bacteria through the hands of managers, shoes, clothes and cultivate water, newspapers and wind, bugs and other ways contaminated Tremella. In dried, fresh Tremella, good, poor Tremella were detected in the flammulina velutipes or flavonoids A, the detection rate was 14.87%, serious pollution.