街头叫卖的冰糖葫芦,市上零售的桔子水、柠檬水等冷饮,常用色泽来吸引小顾客。孩子也往往喜欢吃色泽鲜艳的食品。殊不知,多吃着色食品,对健康不利。所谓“着色”食品,一般用合成色素掺进食物。合成色素是一类以石油或煤焦油提炼的化工原料,用化学方法合成的食用染料,具有一定的毒性。目前我国有关部门只 Street sweets candied haws, the city retail orange water, lemonade and other cold drinks, commonly used color to attract small customers. Children also often like to eat brightly colored food. As everyone knows, eat colored food, bad for health. The so-called “coloring” of food, the general use of synthetic pigment into the food. Synthetic pigment is a class of chemical raw materials extracted with petroleum or coal tar, chemically synthesized food dyes, has some toxicity. At present, the relevant departments in our country only