食品添加剂鲜味剂.ppt
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1、第八章 增味剂(Flavor Enhancers)(鲜味剂、风味增强剂),定义 Definition种类和分类 Varieties and Classification 鲜味剂特点和协同作用 Characteristics and synergism 鲜味剂各论 Umami enhancers,能补充或增强食品原有风味的物质。A flavor enhancer is a substance that is added to a food to supplement or enhance its original taste or flavor.(国外人喜欢用香料作物,中国人喜欢用酱料)Flav
2、our enhancers are used in savory foods to enhance the existing flavor in the food.,1.Definition(),savory,meaty,broth-like,delicacy,umami,The term umami was first coined by the scientist Kikunae Ikeda of the Tokyo Imperial University way back in 1908.Ikeda is quoted as saying:There is a taste which i
3、s common to asparagus,tomatoes,cheese and meat but which is not one of the four well-known tastes of sweet,sour,bitter and salty.,2.Varieties and classification(),我国允许使用 6 种.,按结构分为(Classify according to chemical structure)氨基酸类(animo acid-based):L-谷氨酸钠(monosodium L-glutamate,MSG),丙氨酸(L-alanine).,有机酸类
4、(organic acid-based):琥珀酸二钠(disodium succinate),有时称作干贝素。干贝内含0.37%,蛤蜊0.14%,鲍鱼0.03%,核苷酸类(nucleotide-based):5-肌苷酸二钠(disodium 5-inosinate,IMP),5-鸟苷酸二钠(disodium 5-guanylate,GMP),Disodium succinate,5-鸟苷酸二钠,Disodium 5-guanylate,5-肌苷酸二钠,Disodium 5-Inosinate,新型鲜味剂,天然鲜味抽提物(natural flavor extracts):*肉类抽提物(meat
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- 食品添加剂 鲜味

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