2.3. Experimental Paradigm
Participants were informed that the aim of the study was to investigate the effect of meal composition on the postprandial responses and that a nasoduodenal tube was used to evaluate gastric outflow. Participants were informed that two recipes of a tasty humus with different compositions would be tested; however, the same meal (low-fat humus) without or with the addition of a colourant (i.e., non-coloured or coloured) was administered (