Article Dans Une Revue Foods Année : 2025

Changes in Young Adults’ Perception of an Interspecific Hybrid Grape Juice Induced by the Addition of Acid or Sugar as Part of a Novel Diversification Strategy for the Grape Industry

Résumé

As an alternative to traditional red wine production during an economic crisis, we investigated the sensory perception and appreciation (liking) of young consumers for organic red grape juice from the Plantet cultivar (Siebel 5455) with or without the addition of sugar or organic acid. This was evaluated through four studies involving panels of young adults with an average age of 22 years. The goal was to determine how adding tartaric acid or hexoses (glucose and fructose) affected hedonic scores as well as gustatory and aromatic attributes. Surprisingly, adding acid to a must that experts deemed overly sweet (with 255 g/L of endogenous sugar in the control) did not improve liking scores. Similarly, the addition of hexoses did not enhance liking. Instead, natural grape juice, without any added sugar or acid, was the most preferred product among the young adult panelists. This preference was shared by a panel of enology students, who can be considered future key decision makers in the wine and juice industries, in the last study. As expected, the addition of hexoses led to a perception of 'jam' and 'sweet' attributes, while the addition of tartaric acid resulted in a more 'acidic' profile. Interestingly, the fruit attributes most associated with hexose addition were 'apricot' and 'strawberry', whereas tartaric acid addition was most strongly associated with 'raspberry'.

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hal-05010215 , version 1 (28-03-2025)

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Georgia Lytra, Elie Maza, Julie Bornot, Olivier Geffroy, Christian Chervin. Changes in Young Adults’ Perception of an Interspecific Hybrid Grape Juice Induced by the Addition of Acid or Sugar as Part of a Novel Diversification Strategy for the Grape Industry. Foods, 2025, 14 (7), pp.1170. ⟨10.3390/foods14071170⟩. ⟨hal-05010215⟩
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