Selenium species bioaccessibility in enriched radish (Raphanus sativus): a potential dietary source of selenium

Journal of Agricultural and Food Chemistry
Zoyne PedreroCarmen Cámara

Abstract

An in vitro gastrointestinal method was employed to predict the potential bioavailability of selenium and its species from radish, belonging to the Brassicaceae family, grown in hydroponics media in the presence of inorganic selenium, such as Na2SeO3 and Na2SeO4. A low transformation of Se into organic forms was observed in radish plants grown in Se(VI)-enriched culture media. On the contrary, in those plants exposed to selenite, >95% of the total selenium was found as selenocystine (SeCys2), selenomethionine (SeMet), and Se-methylselenocysteine (SeMetSeCys). The concentrations of these species in fresh samples remained almost unaltered after a simulated gastrointestinal digestion. Therefore, a high selenium content of Se-methylselenocysteine (65%), previously reported as a cancer chemopreventive species, remained in the potentially bioabsorbable fraction. As these plants usually undergo a short development cycle, these results suggest that radish enriched in selenite could be a good choice as an organoselenium supplement for the human diet and animal feed.

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Citations

Apr 2, 2010·Analytical and Bioanalytical Chemistry·Fotios TsopelasMaria Ochsenkühn-Petropoulou
Dec 15, 2010·Planta·Silvio J RamosLi Li
Jun 10, 2010·Journal of Molecular Modeling·Diana Barraza-JiménezDaniel Glossman-Mitnik
Jul 16, 2010·Cell Biochemistry and Biophysics·Ria R Ramoutar, Julia L Brumaghim
Mar 19, 2008·The British Journal of Nutrition·Margaret P RaymanMike Sargent
Mar 23, 2011·Journal of Agricultural and Food Chemistry·Silvio J RamosLi Li
Oct 2, 2013·Journal of Agricultural and Food Chemistry·Michela SchiavonMario Malagoli
Jul 6, 2014·Food Chemistry·María PalomoYolanda Madrid
Feb 3, 2009·Analytica Chimica Acta·Zoyne Pedrero, Yolanda Madrid
Oct 12, 2013·Environmental Toxicology and Chemistry·Kristen R HladunJohn T Trumble
Jul 6, 2010·Journal of the Science of Food and Agriculture·Juan J RiosJuan M Ruiz
Jan 25, 2011·Journal of Separation Science·Fotios TsopelasMaria Ochsenkühn-Petropoulou
Mar 22, 2015·Food Chemistry·Virginia Funes-ColladoJ Fermín López-Sánchez
Jul 4, 2015·Journal of Food Science and Technology·Catarina GalinhaHubert T Wolterbeek
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Jan 29, 2010·Journal of Agricultural and Food Chemistry·Juana FriasConcepción Vidal-Valverde
Jan 22, 2009·Journal of Agricultural and Food Chemistry·Kunlun Liu, Zhenxin Gu

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