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Investigation of sensory profiles and hedonic drivers of emerging aquaculture fish species

Niki Alexi, Derek V Byrne, Evangelia Nanou, Kriton Grigorakis
Journal of the science of food and agriculture 2018 v.98 no.3 pp. 1179-1187
Sander lucioperca, Seriola dumerili, aquaculture, fish, flavor, hedonic scales, markets, odors, product development, sensory evaluation, texture
BACKGROUND: The aquaculture sector needs to increase the diversity fish species and their processed products to cover rising consumer demands. Candidates for this diversification have been identified to be meagre, greater amberjack, pikeperch and wreckfish. Yet scientific knowledge on their sensory profiles and consumer hedonic responses is scarce. The aim of the current study was to investigate these aspects, since they are essential for product development and market targeting. RESULTS: Species exhibited different sensory profiles with the exception of the odor/flavor profiles of meagre and greater amberjack, which were similar. Texture was more important than odor/flavor in explaining interspecies differences. Yet the hedonic responses were equally related to texture and odor/flavor. None of the species received negative hedonic scores. Both positive and negative hedonic drivers were identified within the odor/flavor and texture modalities. CONCLUSION: The distinct profiles of meagre, greater amberjack, pikeperch and wreckfish make these fish species valuable first materials for new product development and for covering markets with different sensory preferences. Differences in fish texture are more easily perceivable, yet small variations in fish odor/flavor can have a great impact on consumers' hedonic responses. © 2017 Society of Chemical Industry