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The assessment of nutritive foodstuffs quality is an important step in the estimation of dietary intake of metals. This study aimed to assess accumulation and the daily intake of macro-elements magnesium, calcium, potassium and sodium in edible parts of plants grown in Moanda area. The ranges of concentrations were 246 - 5645 mg-kg, 1167 - 35105 mg-kg, 158 - 12563 mg-kg and 88 - 795 mg-kg for Mg, Ca, K and Na, respectively. Mg and K levels were significantly higher in fruits than in tubers. The trend of accumulation in the edible parts of plants was generally: Ca > K > Mg > Na. The daily intakes of Mg and Ca were the highest and indicated food crops in Moanda had a good nutritive quality.

KEYWORDS

Food Crops; Macro-Nutrients; Daily Intake; Moanda

Cite this paper

Ondo, J. , Biyogo, R. , Ollui-Mboulou, M. , Eba, F. and Omva-Zue, J. 2012 Macro-nutrients in edible parts of food crops in the region of Moanda, Gabon. Agricultural Sciences, 3, 697-701. doi: 10.4236-as.2012.35084.





Autor: Jean Aubin Ondo, Richard Menye Biyogo, Magloire Ollui-Mboulou, François Eba, Joseph Omva-Zue

Fuente: http://www.scirp.org/



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