<qa>  What was the total amount of D-xylose?In this double-blind crossover designed study, Participants were randomly assigned to consume a sucrose drink Control, sucrose 50g deionized water 100g or a sucrose drink additionally containing 5 g Test 1, sucrose : xylose 10:1, 3.33 g Test 2, sucrose : xylose 15:1 or 2.5 g Test 3, sucrose : xylose 20:1 of D-xylose with a week interval. 