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Twenty-two genotypes of deep yellow fleshed D. dumetorum were analysed for carotenoids using High Performance Liquid Chromatography (HPLC) and for similarities in their provitamin A characteristics using Cluster Analysis (CA). The contribution of each carotenoid to provitamin A content was invest...


Alamu, E.O.Maziya-Dixon, B.B.Ferede-Menkir, R.Popoola, I.Asiedu, RobertGondwe, T.N.P.[Characterization and classification of the provitamin A carotenoids of deep yellow-fleshed bitter yam (Dioscorea dumetorum) varieties]Characterization and classification of the provitamin A carotenoids of deep yellow-fleshed bitter yam (Dioscorea dumetorum) varieties

Background: Biofortification of staple crops is a cost effective and sustainable approach that can help combatvitamin A and other micronutrient deficiencies in developing countries. PCR -based DNA markers distinguishingalleles of three key genes of maize endosperm carotenoid biosynthesis (PSY1, l...


Azmach, G.Gedil, M.Menkir, A.Spillane, Charles[Markertrait association analysis of functional gene markers for provitamin A levels across diverse tropical yellow maize inbred lines]Markertrait association analysis of functional gene markers for provitamin A levels across diverse tropical yellow maize inbred lines

Research in Rwanda demonstrated that orangefleshed sweetpotato (OFSP) purée (steamed, mashed roots) was an economically viable, vitamin A enhancing ingredient in baked products when the purée was produced and used in the same bakery. Having a storable, packaged OFSP purée produced by a firm to su...


Bocher, T.Muoki, P.Magnaghi, A.Muzhingi, T.Low, J.W.[From lab to life: Making storable orange-fleshed sweetpotato purée a commercial reality]From lab to life: Making storable orange-fleshed sweetpotato purée a commercial reality

Bananas are important staples in tropical and sub-tropical regions and their potential as a source of provitamin A has recently attracted attention for biofortification. A collection of 189 banana genotypes (AAB-plantains, M. acuminata cultivars and bred hybrids) was screened to determine variabi...


Amah, D.Alamu, E.O.Adesokan, M.Biljon, A. vanMaziya-Dixon, B.B.Swennen, R.Labuschagne, M.[Variability of carotenoids in a Musa germplasm collection and implications for provitamin A biofortification]Variability of carotenoids in a Musa germplasm collection and implications for provitamin A biofortification

Objectifs : Evaluer du point de vue agronomique les avantages attribués aux champignons mycorhiziens arbusculaires (CMA) par rapport aux sols des zones des forêts humides et vérifier le rôle que le phosphore mobilisé par ces champignons jouerait dans la biosynthèse du caroténoïde. Méthodologie et...


Ndonda, A.Mahungu, N.Moango, A.Yandju, M.C.[Effet des champignons mycorhiziens Arbusculaires sur le phosphore des sols tropicaux et implication dans la biosynthèse du caroténoïde du manioc]Effet des champignons mycorhiziens Arbusculaires sur le phosphore des sols tropicaux et implication dans la biosynthèse du caroténoïde du manioc

Introduction. Chips or crisps are the most important foods usually fried; they are presented in the form of thin discs (chips) or sometimes in the form of sticks (French fries). Materials and methods. Chips were prepared starting from pulp samples resulting from five hybrids of plantain and banan...


Adeniji, T.A.Tenkouano, A.[Effect of processing on micronutrient content of chips produced from some plantain and banana hybrids]Effect of processing on micronutrient content of chips produced from some plantain and banana hybrids
Ekesa, B.Nabuuma, D.Blomme, GuyBergh, I. van den[Provitamin A carotenoid content of unripe and ripe banana cultivars for potential adoption in eastern Africa]Provitamin A carotenoid content of unripe and ripe banana cultivars for potential adoption in eastern Africa

Total and individual carotenoid concentrations were determined by spectrophotometry and HPLC, in raw tubers of a sample of 23 accessions of Solanum phureja potatoes taken at random from the world germplasm collection following its stratification on tuber flesh color. Lutein, zeaxanthin, violaxant...


Burgos, G.Salas, E.Amoros, W.Auqui, M.Munoa, L.Kimura, M.Bonierbale, Merideth W.[Total and individual carotenoid profiles in Solanum phureja of cultivated potatoes. 1: Concentrations and relationships as determined by spectrophotometry and HPLC.]Total and individual carotenoid profiles in Solanum phureja of cultivated potatoes. 1: Concentrations and relationships as determined by spectrophotometry and HPLC.
Ekesa, B.Poulaert, M.Davey, M.W.Kimiywe, J.Bergh, I. van denBlomme, GuyDhuique-Mayer, Claudie[Bioaccessibility of provitamin A carotenoids in bananas (Musa spp.) and derived dishes in African countries]Bioaccessibility of provitamin A carotenoids in bananas (Musa spp.) and derived dishes in African countries

Development of pro-vitamin A (PVA) biofortified staple crops has been promoted as an option for addressing vitamin A deficiency in humans. Recently, crtRBI, lcyE and zep1 genes of carotenoid biosynthesis pathway have been identified as contributors to PVA accumulation in maize endosperm. High phe...


Gebremeskel, S.García Oliveira, A.L.Menkir, A.Adetimirin, V.Gedil, M.[Effectiveness of predictive markers for marker assisted selection of pro-vitamin A carotenoids in medium-late maturing maize (Zea mays L.) inbred lines]Effectiveness of predictive markers for marker assisted selection of pro-vitamin A carotenoids in medium-late maturing maize (Zea mays L.) inbred lines

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