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dc.contributor.authorOikeh, S.O.
dc.contributor.authorMenkir, A.
dc.contributor.authorMaziya-Dixon, B.
dc.contributor.authorWelch, R.
dc.contributor.authorGlahn, R.P.
dc.date.accessioned2019-12-04T11:23:47Z
dc.date.available2019-12-04T11:23:47Z
dc.date.issued2003
dc.identifier.citationOikeh, S.O., Menkir, A., Maziya-Dixon, B., Welch, R. & Glahn, R.P. (2003). Assessment of concentrations of iron and zinc and bioavailable iron in grains of early-maturing tropical maize varieties. Journal of Agricultural and Food Chemistry, 51(12), 3688-3694.
dc.identifier.issn0021-8561
dc.identifier.urihttps://hdl.handle.net/20.500.12478/4156
dc.description.abstractTwenty elite early-maturing (75−90 days) tropical maize varieties grown in three diverse agroecologies in West Africa were evaluated to identify varieties with high kernel-Fe and -Zn and bioavailable Fe levels. Bioavailable iron was assessed using an in vitro digestion/Caco-2 cell model. Significant (P < 0.001) varietal differences were observed in mean kernel-Fe and -Zn levels. The ranges were 15.5−19.1 mg kg-1 for Fe and 16.5−20.5 mg kg-1 for Zn. Genetic component accounted for 34% of the total variation in kernel-Zn and for 11% of the variation in kernel-Fe levels. Mean bioavailable Fe in varieties ranged between 4% below and 49% above the reference control variety. A significant negative relationship was detected between kernel-P concentration and bioavailable Fe (R = −0.36; P < 0.004; n = 60). Two varieties, ACR90POOL16-DT and ACR86TZESR-W, were identified as the most promising for further evaluation to determine their efficacy as improved sources of iron in target populations.
dc.language.isoen
dc.subjectIron
dc.subjectBioavailability
dc.subjectZinc
dc.subjectMaize
dc.subjectEarly Maturation
dc.titleAssessment of concentrations of iron and zinc and bioavailable iron in grains of earlymaturing tropical maize varieties
dc.typeJournal Article
dc.typeJournal Article
dc.description.versionPeer Review
cg.contributor.crpMaize
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.crpAgriculture for Nutrition and Health
cg.contributor.affiliationUnited States Department of Agriculture
cg.contributor.affiliationCornell University
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.coverage.regionAfrica
cg.coverage.regionWest Africa
cg.coverage.countryNigeria
cg.isijournalISI Journal
cg.authorship.typesCGIAR and advanced research institute
cg.iitasubjectMaize
cg.iitasubjectPlant Breeding
cg.accessibilitystatusLimited Access
local.dspaceid99722
cg.identifier.doihttps://doi.org/10.1021/jf0261708


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