如图可知：
血糖指数和胰岛素增减性一致
早餐后血糖指数最高
高碳水化合物让血糖升高幅度过大，高于正常食品增幅
The fluctuation of blood sugar (red) and the sugar-lowering hormone insulin (blue) in humans during the course of a day with three meals — one of the effects of a sugar-rich vs a starch-rich meal is highlighted.
原文：http://www.cnblogs.com/biopy/p/4493065.html