Effects of cultivar and harvesting conditions (age, season) on the texture and taste of boiled cassava roots

Hongbete Franck, Mestres Christian, Akissoé Noël H., Pons Brigitte, Hounhouigan Joseph D., Cornet Denis, Mathurin Nago C.. 2011. Effects of cultivar and harvesting conditions (age, season) on the texture and taste of boiled cassava roots. Food Chemistry, 126 (1) : 127-133.

Quartile : Q1, Sujet : CHEMISTRY, APPLIED / Quartile : Q1, Sujet : FOOD SCIENCE & TECHNOLOGY / Quartile : Q1, Sujet : NUTRITION & DIETETICS

Résumé : Age of plant and environmental conditions during growing may affect texture (friability) and taste of boiled cassava roots. We investigated the quality of boiled roots of seven cultivars harvested at 10, 12 and 14 months in three different seasons. Sensory taste (sweet or bitter) of boiled cassava root could not be correlated with sugar content and/or cyanide potential, which both interfere with taste perception; hence, bitterness is not a good indicator of the poisonous character of cassava roots. Improved cultivars generally showed lower friability scores, independently of plant age (10-14 months) or season. Rainfall before harvest directly lowers dry matter and mealiness of boiled roots. Cultivar and rainfall effects are discussed in relation to pectins (higher content for improved cultivars) that are suspected to be the major biochemical cause of vegetable mealiness.

Mots-clés Agrovoc : manioc, Manihot esculenta, texture, flaveur, propriété organoleptique, variété, stade de développement végétal, date de récolte, variation saisonnière

Mots-clés géographiques Agrovoc : Bénin

Classification Agris : Q04 - Composition des produits alimentaires
F01 - Culture des plantes
F30 - Génétique et amélioration des plantes

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

Auteurs et affiliations

• Hongbete Franck, UAC (BEN)
• Mestres Christian, CIRAD-PERSYST-UMR Qualisud (FRA)
• Akissoé Noël H., UNB (BEN)
• Pons Brigitte, CIRAD-PERSYST-UMR Qualisud (FRA)
• Hounhouigan Joseph D., UNB (BEN)
• Cornet Denis, CIRAD-BIOS-UPR Multiplication végétative (BEN) ORCID: 0000-0001-9297-2680
• Mathurin Nago C., UAC (BEN)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/557657/)

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