“纯天然”的才安全很多人一看见防腐剂就害怕，以为“纯天然”的才安全。事实上，天然的东西未必都是安全的。例如：天然的植物、动物、酶制剂也会产生污染。此外，在提取天然色素时，植物的病虫害、喷洒的残留农药，也往往被携带到添加剂中。牛奶越香浓越好有人以为牛奶越香 “Natural” is safe Many people are scared to see the preservatives, that “pure” only safe. In fact, natural things are not always safe. For example: Natural plants, animals, enzymes can also produce pollution. In addition, when extracting natural pigments, plant pests and diseases, sprayed residual pesticides, are often also carried into additives. The more fragrant the better milk Some people think that the more fragrant milk