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Effects of selenium biofortification on crop nutritional quality

By Mario eMalagoli, Michela eSchiavon, Stefano eDall'Acqua and Elizabeth A.H. Pilon-Smits

Abstract

Selenium (Se) at very low doses has crucial functions in humans and animals. Since plants represent the main dietary source of this element, Se-containing crops may be used as a means to deliver Se to consumers (biofortification). Several strategies have been exploited to increase plant Se content. Selenium assimilation in plants affects both sulphur (S) and nitrogen (N) metabolic pathways, which is why recent research has also focused on the effect of Se fertilization on the production of S- and N- secondary metabolites with putative health benefits. In this review we discuss the function of Se in plant and human nutrition and the progress in the genetic engineering of Se metabolism to increase the levels and bioavailability of this element in food crops. Particular attention is paid to Se biofortification and the synthesis of compounds with beneficial effects on health

Topics: Food, Selenium, secondary metabolites, nutritional quality, plant biofortification, Plant culture, SB1-1110
Publisher: Frontiers Media S.A.
Year: 2015
DOI identifier: 10.3389/fpls.2015.00280
OAI identifier: oai:doaj.org/article:56183bf5124842d9af0aaf80fb774a92
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