Combined use of sensory methods for the selection of root, tuber and banana varieties acceptable to end-users

Bechoff Aurélie, Adinsi Laurent, Ngoh Newilah Gérard, Nakitto Mariam, Deuscher Zoé, Ssali Reuben, Chijioke Ugo, Khakasa Elizabeth, Nowakunda Kephas, Bouniol Alexandre, Dufour Dominique, Bugaud Christophe. 2023. Combined use of sensory methods for the selection of root, tuber and banana varieties acceptable to end-users. Journal of the Science of Food and Agriculture, 9 p.

https://doi.org/10.1002/jsfa.12723

Article de revue ; Article de recherche ; Article de revue à facteur d'impact

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Résumé : BACKGROUND: The assessment of user acceptability in relation to crop quality traits should be a full part of breeding selection programs. Our methodology is based on a combination of sensory approaches aiming to evaluate the sensory characteristics and user acceptability of root, tuber and banana (RTB) varieties. RESULTS: The four-stepped approach links sensory characteristics to physicochemical properties and end-user acceptance. It starts with the development of key quality traits using qualitative approaches (surveys and ranking) and it applies a range of sensory tests such as Quantitative Descriptive Analysis with a trained panel, Check-All-That-apply, nine-point hedonic scale and Just-About-Right with consumers. Results obtained on the same samples from the consumer acceptance, sensory testing and physicochemical testing are combined to explore correlations and develop acceptability thresholds. CONCLUSION: A combined qualitative and quantitative approach involving different sensory techniques is necessary to capture sensory acceptance of products from new RTB clones. Some sensory traits can be correlated with physicochemical characteristics and could be evaluated using laboratory instruments (e.g. texture). Other traits (e.g. aroma and mealiness) are more difficult to predict, and the use of a sensory panel is still necessary. For these latter traits, more advanced physicochemical methods that could accelerate the breeding selection through high throughput phenotyping are still to be developed.

Mots-clés libres : Sensory analysis, Instrumental methods, User acceptability, Root crops and bananas, Breeding, High-throughput phenotyping

Classification Agris : Q04 - Composition des produits alimentaires

Champ stratégique Cirad : CTS 3 (2019-) - Systèmes alimentaires

Agences de financement hors UE : Consortium of International Agricultural Research Centers, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Bill and Melinda Gates Foundation

Projets sur financement : (FRA) Breeding RTB Products for End User Preferences

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