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食品中加入色素的目的是为了改善食品感观性状,使食品色泽悦人,增加人的食欲。食用色素分为两大类:既天然色素与合成色素.天然色素是由动植物组织中提取的,一般对人体无害,所以是理想的着色剂。但它提取不便、价格昂贵,在食品行业应用不广泛。台成色素是以煤焦油为原料制成的,在提取合成中经过较复杂的生产工艺流程,混入有害物质的机
The purpose of adding pigment in food is to improve the sensory properties of food, make food color pleasing and increase human appetite. Food coloring is divided into two categories: natural pigment and synthetic pigment. Natural pigment is extracted from animal and plant tissues, the general harmless to the human body, it is the ideal coloring agent. But it is inconvenient to extract, expensive, not widely used in the food industry. Taiwan into a pigment is made of coal tar as raw materials, extraction and synthesis through more complex production processes, mixed with harmful substances machine