血糖的作用与调节早晨不吃饭,即空腹时,正常人的血糖水平为5毫摩尔/升(90毫克／100毫升),进食后血糖随即逐渐升高,可至8．3毫摩尔/升(150毫克/100毫升)或更高一些。当人体处于空腹禁食时,大脑这个“耗糖大户”仍然需要糖作为能源,否则“脑筋就开不动”。此时肝脏可以提供血糖进行调节,但 The role and regulation of blood glucose do not eat in the morning, that fasting, the normal blood glucose level of 5 mmol / l (90 mg / 100 ml), blood glucose immediately after eating gradually increased to 8.3 mmol / l 150 mg / 100 ml) or higher. When the body is in fasting and fasting, the brain, the “sugar-hungry big” still needs sugar as its source of energy, otherwise its “brains will not move.” At this point the liver can provide blood glucose regulation, but