防腐保鲜的“潜规则,,今年5月初,山东青州一些地方被曝出部分蔬菜商贩使用甲醛溶液喷洒大白菜进行保鲜的情况,引发社会关注。作为一种世界卫生组织确认的有毒、有害物质,我国也已明文规定甲醛不可用于食品。商贩利用甲醛喷洒白菜的做法,很明显已经违反食品安全的相关规定。实际上,不单单是大白菜,连山药、蘑菇、黄瓜等多种蔬菜,也使用甲醛溶液喷洒和浸泡。使用甲醛作为食品保鲜剂,已经成了 Preservative preservation ”unspoken rules ,, early May this year, some areas in Shandong Qingzhou was exposed part of the vegetable traders use formaldehyde solution spray cabbage preservation situation, triggering social concern as a World Health Organization confirmed the toxic and hazardous substances, China also has expressly provided that formaldehyde can not be used in foods.Trade operators using formaldehyde to spray cabbage obviously have violated the relevant provisions of food safety.In fact, not only Chinese cabbage, Chinese yam, mushrooms, cucumber and other vegetables, but also Formaldehyde is used as a food preservative and it has already been applied