food additive-食品添加剂.pptVIP

Contents Food Additive According to sanitary law, food additives is the natural or man-made component not only to improve the quality , color , smelling and taste , but also to antisepsis and manufacture. Food additives are substances added to food to preserve flavor or enhance its taste and appearance. Classification of Food Additive Classification of Food Additive 1.Natural and Artificial additives Natural additives: manufactured from natural sources . Such as soybeans and corn ,which provide lecithin(卵磷脂） to maintain product consistency or beets ,which provide beet power used as food coloring. 2. Artificial additives:man-made Classification of Food Additive How Are Additives Regulated? Food Safety Law of the People’s Republic of China Food Hygiene of the People’s Republic of China （中华人民共和国食品卫生法） Food and Drug Administration(FDA) U.S.Department of Agriculture(USDA) Common Food Additive 1. Potassium sorbate （山梨酸钾） Common Food Additive 2.Sodium cyclamate （甜蜜素） Common Food Additive 3. lemon yellow（柠檬黄） Common Food Additive 4.Sodium glutamate Food Safety Food Safety Incidents In recent years ,there happened lots of foot safety incident . Such as :Sudan red incident The Sanlu milk powder incident Useing Nitrates and lean meat powder(瘦肉精) in ham Poison bean sprouts Dyed steamed bread Beef extract Sulfur ginger（姜） …… Generally speaking food additive is in everywhere of our world, we cannot without it.It bring us lots of pleasure, make our life more colorful, however, it is also dangerous to us ,sometimes it hazard human’s health. All human activities have to be conducted following a number of common-sense rulesin order to avoid taking unnecessary risks. Similarly, all chemicals have to be used for the purposes they are intended for, so as to protect the consumer and the environment from a