一九八七年六月四日市区某小学发生一起因进食未煮熟豆浆而引起的食物中毒。进食豆浆共462人,发病57例,发病率12.39%。中毒病人潜伏期最短为5分钟,最长为2小时,95%的人在半小时内发病。主要症状有恶心、呕吐、腹痛、腹泻,部分病例有轻微头晕、头痛。症状轻重与进食量多少有关。全部病人经治疗后当天下午就恢复正常。实验室检查豆浆尿酶阳性,未检出致病菌。生豆浆中含有尿酶、胰蛋白酶抑制素、皂素和皂毒素等有害物质。但这些有害物质煮沸后易被破坏分解,而未经煮沸的豆浆进入消化道 In a primary school in the urban area on June 4, 1987, a food poisoning caused by eating unboiled soy milk occurred. A total of 462 people eating milk, 57 cases of onset, the incidence rate of 12.39%. Poisoning patients with a short incubation period of 5 minutes, up to 2 hours, 95% of people in the disease within half an hour. The main symptoms are nausea, vomiting, abdominal pain, diarrhea, some cases have mild dizziness, headache. The severity of symptoms and how much food intake. All patients returned to normal the afternoon after treatment. Laboratory tests soy milk urease positive, not detected pathogens. Raw milk contains urease, trypsin inhibin, saponin and soap toxins and other harmful substances. However, these harmful substances are easily destroyed after boiling decomposition, and unboiled milk into the digestive tract