食物的色、香、味与食品添加剂

食品添加剂可以改善食品的品质，延长食品的保存期，增加食品的营养成分。本文介绍了生活中常见的食品添加剂：食品色素、食用香料、甜味剂、鲜味剂、防腐剂和抗氧化剂的性能、使用范围和化学结构。以便于在化学教学中开阔学生的知识视野，提高学生的学习兴趣，全面培养学生的科学素质。

The Color,Fragrance,Taste and Food Additives

Food additive can improve the quality of food, extend the storage time and increase the food nutrients. In this essay the author gave a brief introduction to such additives, such as food pigment, food perfume, sweet additive, preservative and anti-oxidizing agents, how are these additives used in foods, their usage limits and their chemical structures, so as to help students to widen their knowledge, enhance their interest in chemistry learning and thus improve their scientific literacy.