柯林斯詞典food additive 1. N any of various natural or synthetic substances, such as salt, monosodium glutamate, or citric acid, used in the commercial processing of food as preservatives, antioxidants, emulsifiers, etc, in order to preserve or add flavour, colour, or texture to processed food 食品添加劑 返回 food additive劍橋詞典an artificial substance added to food to give it taste or colour 食品添加劑 返回 food additive