Journal
FOOD CHEMISTRY
Volume 214, Issue -, Pages 374-382Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.07.015
Keywords
Selenium; Durum wheat; Foliar fertilization; Grain quality; Pasta; Sensory properties
Funding
- Italian Ministry of Education, University and Research [Pro.Ali.Fun - PON02_00186_2937475]
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Two field experiments were conducted over three growing seasons (2006-07, 2008-09 and 2009-10) to evaluate Se-enriched pasta through foliar fertilization at various rates and timing of application on 4 durum wheat varieties. Our findings confirm the effectiveness of foliar Se fertilization to increase Se concentrations in durum wheat grain, even at high Se rates (120 g Se ha(-1)). Se fortification was significant across different genotypes, with greater Se accumulation in landraces ('Timilia') and obsolete varieties ('Cappelli'), with respect to modern varieties. The Se content in the grain was increased by up to 35-fold that of the untreated control. The Se concentration decreased during milling (11%), while processing and cooking of pasta did not show significant decreases. This biofortification stategy had no effects on grain quality parameters, except for reduced gluten index in the high-gluten variety PR22D89, as well as for the sensorial properties of the spaghetti. (C) 2016 Elsevier Ltd. All rights reserved.
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