人工合成色素开始扮演着改善食品色泽的角色,改善食物色泽,令其看起来更有食欲、购买欲,但这种人工合成的色素,在长期的使用中被发现种种危害隐患。化学合成色素是从煤焦油中提取,或以苯、甲苯、萘等芳烃类化合物为原料合成,又称煤焦油色素,它不仅无营养价值,而且其化学成分本身对人体有害,同时在合成过程中产生的 Synthetic pigments began to play a role in improving the color of food, improve food color, make it look more appetite, desire to buy, but this synthetic pigment was found in the long-term use of a variety of hazards. Chemical synthesis of pigment is extracted from coal tar or benzene, toluene, naphthalene and other aromatic compounds as raw materials synthesis, also known as coal tar pigment, which not only has no nutritional value, but its chemical composition itself harmful to human body, while in the synthesis process Generated in