Methods OCTT was determined for five groups of food rich in carbohydrate in 13 healthy adults with breath hydrogen test (BHT) using lactulose as control.

• 方法采用氢呼气试验（BHT），以乳果糖为对照，测定13名健康成人对5组富含碳水化合物食物的口-结肠转运时间。