Ranking descriptive analysis in the sensory characterization of strawberry flavored diet yogurt enriched with whey protein concentrate

Abstract

This study evaluated the sensory characteristics of diet strawberry flavored yogurt enriched with whey protein concentrate (WPC). Three formulations containing 0,5%, 1% and 1.5% of WPC (F2, F3 and F4 in order of increasing concentration) and a controlled formulation without the addition of WCP (F1) were developed and evaluated by Ranking Descriptive Analysis. Twenty selected and trained panelists evaluated the samples characterized by attributes: pink color, viscosity, characteristic aroma of strawberry yogurt, characteristic flavor of strawberry yogurt, sweet taste, sour taste and consistency. The formulations differed significantly (p < 0.05) in the attributes sweet taste and consistency. Samples F3 and F4 showed greater consistency confirming the efficiency of the WPC in increasing the consistency.