概述食品添加剂是指在食品生产、加工、保臧等过程中有意识向食品中加入和使用的一类化学合成或天然物质。使用食品添加剂的目的是:(1) 改进或增加食品的感官性质,如着色剂、调香剂等;(2) 控制食品中微生物的繁殖,防止腐败变质,如防腐剂等;(3) 提高食品质量,防止变色、变味,如抗氧化剂、品质改良剂等;(4) 满足食品生产工艺的需要,如 Overview Food additives refers to a class of chemical synthesis or natural substances that are consciously added to and used in foods in the process of food production, processing, preservation and so on. The purpose of using food additives is to: (1) improve or increase the sensory properties of foods, such as coloring agents, flavoring agents, etc .; (2) control the propagation of microorganisms in foods to prevent spoilage, such as preservatives, etc .; (3) Food quality, to prevent discoloration, odor, such as antioxidants, quality improvers, etc .; (4) to meet the needs of food production processes, such as