Figure 1.

Study design. Sixteen healthy male volunteers were recruited and instructed to follow the recommended diet without alcoholic drinks or fruits and vegetables two days before and during the study. After 12 h fasting, they drank 500 mL of control drink (water + sugar) within a maximum of 20 min and collected the 24 h urine in three different bottles. One day after finishing the control test they started the test with consumption of 500 mL of genipap juice in the same way as the control group.