吃马铃薯(又叫做土豆、山药蛋、洋山芋),应该选择成熟的,吃了没有成熟的、已经发芽或腐烂的马铃薯,往往会发生“食物中毒”。没有成熟的马铃薯,外皮带青绿色,质地比较软,里面往往含有一种物质,叫做龙葵素。已经发芽的马铃薯,在芽内也含有龙葵素。龙葵素对人体是有毒的。吃了没有成熟的或已经发芽的马铃薯以后,在几小时以内,会发生头痛、腹痛、恶心、呕吐、腹泻和 Eating potatoes (also known as potatoes, yams, and Yangshan wolfberry) should be mature and eat potatoes that have not matured, have germinated or rotted, and often suffer from “food poisoning.” Without mature potatoes, the outer belt has a greenish green color and a soft texture. It often contains a substance called solanine. Potatoes that have germinated also contain solanine in their buds. Solanine is toxic to the human body. After eating unripe or sprouted potatoes, within hours, headaches, abdominal pain, nausea, vomiting, diarrhea and