当前,四季豆陆续上市。有的院校曾接连发生两起吃四季豆后中毒、发病达一百二十多人。常于进食贮藏过久或炒煮不够熟透的菜豆而引起中毒。四季豆中含皂素对消化道粘膜有强烈刺激性、引起局部充血、肿胀及出血性炎症。也能破坏红细胞引起溶血症状。另一种有毒物质可能为植物血球凝集素,具有凝血作用,并引起剧烈的呕吐反应。 Currently, green beans are listed one after another. Some colleges and universities have successively occurred after two poison beans, the incidence of more than 120 people. It is often poisoned when eating beans that are stored for too long or not cooked enough. Soybeans contain saponin on the gastrointestinal mucosa has a strong irritant, causing local congestion, swelling and hemorrhagic inflammation. Can also destroy red blood cells cause hemolytic symptoms. Another toxic substance may be hemagglutinin, which has a clotting effect and causes violent vomiting reactions.