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减肥难就难在控制食欲,食欲为什么这么难控制? 并不完全是因为饿,人类的许多饮食习惯,尤其是吃零食的习惯,都是由于美味的诱惑而不是营养需要。味道的产生依赖于舌头上的味蕾,人舌头上分布着大约一万个味蕾,这些味蕾只负责味道。中国人喜欢说五味, 也就是酸甜苦辣咸。可是直到目前为止,科学家并不认为辣属于味道的范畴,而是把它看作一种强烈的刺激而已。近年来,有一种新的味蕾被鉴定出来了,这就是“鲜”,味精就是一种典型的“鲜味”物质。因此,被科学家承认的是五味是酸甜苦成香。
Weight loss is difficult to control appetite, why appetite so difficult to control? Not entirely because of hunger, many human diet, especially eating habits, are due to delicious temptation rather than nutritional needs. Taste depends on the taste buds on the tongue, the tongue is distributed about 10,000 taste buds, these taste buds are only responsible for the taste. Chinese like to say five flavors, that is, sweet and sour salty. But so far, scientists do not think spicy belongs to the category of taste, but rather to see it as a strong stimulus only. In recent years, a new taste bud has been identified, which is “fresh”, MSG is a typical “umami” material. Therefore, it is acknowledged by scientists that the five flavors are sour and sweet.