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...Food and nutrition sciences published online march http www scirp org journal fns dx doi elevated concentrations of dietarily important trace elements macronutrients in edible leaves grain cowpea vigna unguiculata l walp genotypes implications for human health alphonsus k belane felix d dakora department crop science tshwane university technology pretoria south africa chemistry uni versity email dakorafd tut ac za st th received october revised december accepted abstract legumes are a good source calories protein mineral nutrients this study the field grown were assessed macronutrient density at manga sudano sahelian zone ghana using inductively coupled plasma mass spectrome try differed markedly their accumulation major except p ca mg s na much higher than similar pattern was observed however more dramatic variations found micronutrient between levels fe cu zn mn b sometimes to fold greater furthermore there strong geno typic differences example itk accumulated both while ith which sh...