食品店橱窗中那五颜六色的食品，总是会刺激孩子的食欲。当你看到孩子开心地吃着这些食品时，是否想到食品上鲜艳的颜色对人体的危害？人工合成色素是用化学方法从煤焦油中提取合成的，有不同程度的毒性，对人体的毒害主要表现在三个方面：一是轻微程度的影响，二是致泻，三是 Grocery store window that colorful food, will always stimulate the child’s appetite. When you see a child eating these foods happily, do you think of food on the bright colors of the human body hazards? Artificial synthetic pigment is chemically synthesized from coal tar, with varying degrees of toxicity, the main toxic effects on the human body in three aspects: First, a slight degree of impact, and second, diarrhea, the third is