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    • Irish Journal of Agricultural & Food Research
    • IJAFR, Volume 53, no. 1, 2014
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    • Irish Journal of Agricultural & Food Research
    • IJAFR, Volume 53, no. 1, 2014
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    A note on the effectiveness of selenium supplementation of Irish-grown Allium crops.

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    Author
    Reilly, Kim
    Valverde, Juan
    Finn, Leo
    Gaffney, Michael
    Rai, Dilip K.
    Brunton, Nigel
    Keyword
    Allium
    Bioactive compounds
    Flavonoids
    Phenolics
    Selenium
    Onion
    Date
    2014
    
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    URI
    http://hdl.handle.net/11019/747
    Citation
    K. Reilly, J. Valverde, L. Finn, M. Gaffney, D.K. Rai and N. Brunton. A note on the effectiveness of selenium supplementation of Irish-grown Allium crops. Irish Journal of Agricultural and Food Research, 2014, 53, 91–99
    Abstract
    Onions and other Allium crops contain high levels of dietary phenolics and, unlike many other crops, accumulate the beneficial mineral selenium. Selenium-enhanced Allium crops are of interest both from a public good perspective and as a market positioning strategy for growers. Field trials were carried out to i) identify onion and scallion varieties that contain high levels of health-promoting phenolic and flavonoid compounds as potential targets for selenium supplementation and ii) investigate selenium supplementation in the widely-grown commercial onion variety ‘Hyskin’ at different application rates of nitrogen fertilizer. Levels of selenium in onion bulbs were significantly increased from 0.5–5.9 μg/g dry weight (DW) to 40.6–70.0 μg/g DW.
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    Horticulture
    IJAFR, Volume 53, no. 1, 2014
    Food Biosciences

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