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Variation of mineral composition in different parts of taro (Colocasia esculenta) corms

Mergedus Andrej, Kristl Janja, Ivancic Anton, Sober Andreja, Sustar Vilma, Krizan Tomaz, Lebot Vincent. 2015. Elsevier.
Variation of mineral composition in different parts of taro (Colocasia esculenta) corms
ARTICLE, (2015 ) - PUBLISHEDVERSION - English (en-GB)
Elsevier
RESTRICTEDACCESS - Cirad license.
Audience : RESEARCHERS
Elsevier Ltd
Sujet
F60 - Physiologie et biochimie végétale, F30 - Génétique et amélioration des plantes, Q04 - Composition des produits alimentaires, Colocasia esculenta, Taro, Rhizome, Composition chimique, Teneur en éléments minéraux, Variation génétique, Variété, Multiplication végétative
Domaines
Agriculture
Description
Taro (Colocasia esculenta) is an important root crop in the humid tropics and a valuable source of essential mineral nutrients. In the presented study, we compared the mineral compositions of four main parts of taro corm: the upper, marginal, central and lower (basal) parts. The freeze-dried taro samples were analysed for eleven minerals (K, P, Mg, Ca, Zn, Fe, Mn, Cu, Cd, Pb and Cr). The upper part, which plays a critical role in vegetative propagation based on headsets, contained high levels of P, Mg, Zn, Fe, Mn, Cu and Cd. The central part, which is essential for human nutrition, was characterised by higher concentrations of K, P, Mg, Zn, Fe, Cu and Cd. Ca was concentrated in the lower and marginal parts. The effect of the genotype was significant for more than half of the analysed minerals (i.e., Mg, Ca, Zn, Fe, Mn). (Résumé d'auteur)
Mots-clés
Taro, Colocasia esculenta, Corms, Chemical composition, Minerals
Langue
English (en-GB)
Auteurs
Mergedus Andrej, Kristl Janja, Ivancic Anton, Sober Andreja, Sustar Vilma, Krizan Tomaz, Lebot Vincent
Contributeurs
Sources
Food Chemistry 170 (2015) 37–46
Couverture
Vanuatu
Nom du journal
Elsevier