所谓“着色”食品,一般用合成色素掺进食物。目前,市售的各种着色食品丰富多彩,如桔子水、果子露、柠檬水……。合成色素是一类以石油或煤蕉油提炼的化工原料,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允许使用五种合成色素,即范菜色、胭脂 The so-called “coloring ” food, generally with synthetic pigment into the food. At present, a variety of colored foods marketed are colorful, such as orange water, fruit dew, lemonade .... Synthetic pigment is a type of chemical raw materials extracted from petroleum or coal-jelly oil, with the chemical synthesis of food dyes, has some toxicity. At present, China’s relevant departments only allow the use of five synthetic pigments, namely, Fan Cai, rouge