Effect of Selenium addition on minimally processed leafy vegetables grown in floating system (Articolo in rivista)

Type
Label
  • Effect of Selenium addition on minimally processed leafy vegetables grown in floating system (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/jsfa.3714 (literal)
Alternative label
  • Malorgio F., Diaz K., Ferrante A., Mensuali A., Pezzarossa B. (2009)
    Effect of Selenium addition on minimally processed leafy vegetables grown in floating system
    in Journal of the Science of Food and Agriculture
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Malorgio F., Diaz K., Ferrante A., Mensuali A., Pezzarossa B. (literal)
Pagina inizio
  • 2243 (literal)
Pagina fine
  • 2251 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 89 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, Istituto per lo Studio degli Ecosistemi, Pisa, Italy; Università di Pisa - Dip. Biologia Piante Agrarie; Dep. Prod. Vegetal. Fac di Agronomia - Azul, Buenos Aires, Argentina; Dip. Produzione Vegetale, Università di Milano; Scuola Superiore Sant'Anna, Pisa (literal)
Titolo
  • Effect of Selenium addition on minimally processed leafy vegetables grown in floating system (literal)
Abstract
  • BACKGROUND: In recent years the consumption of minimally processed leafy vegetables has been increasing. At the same time food quality and its effects on human health have become crucial issues. Since selenium (Se) is an important microelement due to its ability to defend human organisms against free radicals, we investigated the effects of Se on chicory and lettuce production, and assessed the feasibility of a floating system as a method of producing Se enriched vegetables. RESULTS: The addition of 0.5 and 1.0 mg Se L-1 to the nutrient solution resulted in an increase in the selenium concentration in the leaves, which had a positive effect on the plant yield. Selenium was generally effective in decreasing the production of ethylene and PAL activity, even though a seasonal effect seemed to be present, consequently improving the quality of leafy vegetables and the shelf life in both species. The amount of Se accumulated in plants grown in the nutrient solution containing 0.5 mg Se kg-1 could provide the rational Se intake for human nutrition in accordance with the recommended dietary allowance (RDA) guidelines. CONCLUSIONS: The addition of Se in a nutrient solution can be a useful system for providing enriched leafy vegetables. The floating system can be used to modulate the availability of Se in nutrient solutions and to grow vegetables with the optimal Se content for human health. (literal)
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