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Sensory diversity of fonio landraces from West Africa

Fliedel Geneviève, Koreissi Yara, Bore Guindo Fanta, Drame Djibril, Brouwer Inge D., Ribeyre Fabienne. 2013. Sensory diversity of fonio landraces from West Africa. African Journal of Biotechnology, 12 (15) : pp. 1836-1844.

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Abstract : This study aims to establish if there is some sensory variability among fonio landraces. Fonio, the oldest indigenous and very tasty cereal growing in West Africa, is usually consumed as a couscous. Group interviews of consumers were conducted in Bamako, Mali to identify the main quality criteria of a cooked grain. Fonio grain must be swollen, not sticky with a soft consistency, pale and containing low impurities. Sensory properties of 20 fonio landraces from Mali, Guinea and Burkina Faso were established using a descriptive sensory analysis. Five sensory descriptors were chosen among the quality criteria. Each landrace was tasted and scored in triplicate by a group of 18 trained panellists. Principal component analysis and hierarchical cluster analysis were used. The 20 landraces clustered into four sensory classes. Sensory criteria of variability were first visual characteristics (colour and impurities) and then the consistency of cooked grains. Landraces from Guinea and Mali were variable for both visual and textural characteristics; those from Burkina Faso appeared to be more homo-genous. The sensory variability of fonio offers to processors, who intend to promote this tiny cereal both in the sub-region and beyond, the possibility to choose adapted landraces to develop new products. (Résumé d'auteur)

Mots-clés Agrovoc : Digitaria exilis, Qualité, Grain, Enquête auprès des consommateurs, Variation génétique, Propriété physicochimique, Propriété organoleptique

Mots-clés géographiques Agrovoc : Mali, Guinée, Burkina Faso

Classification Agris : Q04 - Food composition
F30 - Plant genetics and breeding
E73 - Consumer economics

Champ stratégique Cirad : Axe 3 (2005-2013) - Alimentation accessible et de qualité

Auteurs et affiliations

  • Fliedel Geneviève, CIRAD-PERSYST-UMR Qualisud (FRA)
  • Koreissi Yara, IER (MLI)
  • Bore Guindo Fanta, IER (MLI)
  • Drame Djibril, IER (MLI)
  • Brouwer Inge D., Wageningen University (NLD)
  • Ribeyre Fabienne, CIRAD-BIOS-UPR Bioagresseurs (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/568635/)

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