罐头食品可谓是现代食品的一大革新。但是为了延长食品的保存期,几乎所有罐头都加了防腐剂。有人经常食用罐头食品,会出现头痛、腹痛、腹泻、恶心、呕吐、哮喘发作等,有的甚至精神忧郁或烦燥不安。现代食品不仅在防腐方面,而且在食物保鲜、催熟、美观等 Canned food can be described as a revolution in modern food. But in order to extend the shelf life of food, almost all cans are added preservatives. Some people often eat canned food, there will be headache, abdominal pain, diarrhea, nausea, vomiting, asthma attacks, and some even mental depression or irritability. Modern food not only in the preservation, but also in food preservation, ripening, beauty and so on