Sensory Profile, Drivers of Liking, and Influence of Information on the Acceptance of Low‐Calorie Synbiotic and Probiotic Chocolate Ice Cream
2018
Peres, Juliana | Esmerino, Erick | da Silva, Alessandra Lins | Racowski, Ilana | Bolini, Helena
The objective of this study was to evaluate the sensory profile and the influence of the information on the acceptance of the symbiotic chocolate ice cream made with sucrose and different sweeteners (aspartame, sucralose, neotame, Stevia with 60%, 85%, 95%, and 97% of rebaudioside A) through analysis of variance (ANOVA), Tukey's test, and partial least of square (PLS) regression. Quantitative descriptive analysis (QDA) was carried out by 18 assessors, who evaluated the samples in relation to the raised descriptors. Additionally, two acceptance tests (blind/informed) were performed with 120 consumers. The samples sweetened with sucralose and rebaudioside 97% presented similar profile to the control sample, thus having a better potential to replace sucrose in chocolate ice cream. The acceptance test carried out with information had higher scores for the attributes appearance, aroma, flavor, texture, and overall impression. The correlation between data from the acceptance tests and QDA showed that the descriptors “low‐energy” and “natural sweetener” claims interfered negatively in the drivers of liking of chocolate ice cream. Therefore, we can conclude that some characteristics unnoticed by consumers were highlighted after providing the information about the product's characteristics. PRACTICAL APPLICATION: This research is important and contributes to the manufacture and development of low‐calorie chocolate ice cream with functional properties, guiding, through suitable sensory and statistical tools, the application of stevia and other artificial sweeteners in products with reduction or total absence of sucrose and highlighting the impact of the labeling of these products on consumer perception.
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