实验对象为31名正常人,应用口服法进行萄萄糖耐量试验。早晨试验前空腹9～10小时,下午试验前空腹7～8小时,两次试验相隔7天。除空腹和糖负荷后30分钟二组相似外,下午试验的负荷后60、90、120及150分钟的平均血糖浓度均显著高于早晨试验; Subjects for the 31 normal subjects, oral glucose tolerance test. Fasting 9-10 hours before the morning test, fasting 7-8 hours before the afternoon test, two tests separated by 7 days. In addition to the fasting and glucose load 30 minutes after the two groups were similar, afternoon 60, 90, 120 and 150 minutes after the load average blood glucose concentrations were significantly higher than the morning test;