当你看到五颜六色的食品时,可能会被那鲜艳夺目的色彩所吸引。可你知道,这些食品的“漂亮”隐藏着危害人体健康的因素。 一些食品之所以“漂亮”,是因为加入色素。食用色素分天然色素和人工合成色素两大类,天然色素对人体无毒无害,但数量较少,其对光、热、酸、碱等敏感,在加工贮存过程中很容易变色和褪色,故而彩色食品所用的色素,大部分是人工合成的。这些人工合成的色素是从石油或煤焦油中提炼出来,并经化学 When you see colorful foods, you may be drawn to the colorful colors. But you know, the “beauty” of these foods hides elements that endanger human health. Some foods are “beautiful” because of the addition of pigments. Food pigment is divided into two categories: natural pigment and synthetic pigment. Natural pigment is harmless to the human body but less in quantity. It is sensitive to light, heat, acid and alkali, and easily discolors and fade during processing and storage. Therefore, the color pigments used in food, mostly synthetic. These synthetic pigments are extracted from petroleum or coal tar and chemically