Although several authors have reported that sorting and projective mapping are less discriminating thanmethodologies based on the evaluation of specific sensory attributes , the trend was not found in the present work. The CATA question and PSP showed a lower discriminative ability than projectivemapping. The former twomethodologies allowed identifying differences in the sensory characteristics of samples due to stabilizer concentration only among samples formulated with one of the levels of sucrose. CATA questionswere not able to detect differences among samples formulatedwith 8.0% sucrose (Fig. 2),whereas PSP only identified differences among samples with different stabilizer concentrations at the lowest sucrose concentration (Fig. 4). The discriminative capacity of projective mapping was higher than that of CATA and PSP.
Samples formulated with 8.0% sucrose were sorted according to their
stabilizer concentration. However, samples with 4.0% were sorted in
two groups that did not correspond to differences in their formulation.
Besides, in the third and fourth dimensions sampleswere sorted accord-
ing to the prebiotic ingredient included in the formulation.