人们逐渐减少谷类等食物的摄入,除了由于生活水平提高以外,大多是担心肥胖等问题。因为谷类食物的主要成分是碳水化合物,是最容易被利用的热能物质。不过,碳水化合物也有不同,这里有必要引入血糖生成指数(GI,Glycaemic Index)的概念。GI概念是加拿大多伦多大学的营养学教授大卫 People gradually reduce the intake of cereals and other foods except for the problems of obesity and other problems except for the improvement of their living standard. Because the main component of cereal carbohydrates, is the most easily used by the thermal material. However, carbohydrates are also different, it is necessary to introduce the concept of Glycaemic Index (GI). The GI concept is David, a professor of nutrition at the University of Toronto in Canada