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Journal Articles Food Quality and Preference Year : 2020

Using Free-Comment with consumers to obtain temporal sensory descriptions of products

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Abstract

Temporal Dominance of Sensations (TDS) and Temporal-Check-All-That-Apply (TCATA) are the most popular methods used with consumers for the temporal sensory characterization of a set of products. However, TDS and TCATA share the same limitation: they rely on a predefined and necessarily short list of descriptors. Free Comment (FC) enables the sensory characterization of a set of products freed of any issue induced by the use of a list of descriptors, but for practical reasons collecting FC descriptions concurrently to the product intake is nearly impossible. Attack-Evolution-Finish (AEF) is an alternative to TDS and TCATA that replace concurrent by retrospective data collection. In AEF, subjects are asked to choose in a list one descriptor for each of the so-called periods: Attack, Evolution, and Finish. The paper introduced Free-Comment Attack-Evolution-Finish (FC-AEF) to extend FC to temporal sensory analysis where descriptor selections of AEF are replaced by FC descriptions. FC-AEF has been used at home with 63 consumers having tasted five dark chocolates. The data were analysed product-wise and period-wise and showed that FC-AEF enabled to provide temporal discrimination and characterization of the products. The product-wise analyses identified in each period the descriptors of each product enabling this discrimination. The period-wise analyses identified for each product the descriptors generating a temporal kinetic of its perception.
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Dates and versions

hal-02964800 , version 1 (15-07-2022)

Licence

Attribution - NonCommercial - CC BY 4.0

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Benjamin Mahieu, Michel Visalli, Arnaud Thomas, Pascal Schlich. Using Free-Comment with consumers to obtain temporal sensory descriptions of products. Food Quality and Preference, 2020, 86, pp.104008. ⟨10.1016/j.foodqual.2020.104008⟩. ⟨hal-02964800⟩
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