1987年元宵节前夕,鞍山市各饭店出售的元宵,有酸味,有的经水煮后变成杏黄或黄褐色,煮后的元宵粘性较差,群众反应较大,人们不敢食用。为此,我们进行了微生物学检验。检验方法:按国家《食品卫生检验方法》进行。结果:共检验6份样品,样品中均检出了大量的红酵母菌,还检出了一部分细菌,霉菌。形态学特征:在孟加拉红平皿上,菌落呈粉红色,表面光滑、皱褶,有光泽、质地粘稠,有时发硬、横切面扁平,有较宽的隆起, On the eve of the Lantern Festival in 1987, the Lantern Festival sold in various hotels in Anshan was sour with some turning into apricot or yellow brown after being boiled. The cooked Lantern Festival lacks the stickiness and the masses responded to the situation. People dare not eat it. To this end, we conducted a microbiological test. Test methods: According to the national “food hygiene inspection methods”. Results: A total of 6 samples were tested. A large number of red yeast were detected in the samples, and some bacteria and molds were also detected. Morphological characteristics: The colony is pink on a red beehive in Bangladesh with a smooth, folds, shiny surface, a thick, sometimes hard, cross-section flattened surface and a wide protuberance,