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Improving crop tolerance to heavy metal stress by polyamine application

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    0463451 - UEB-Q 2017 RIV NL eng J - Journal Article
    Soudek, Petr - Ursu, Marina - Petrová, Šárka - Vaněk, Tomáš
    Improving crop tolerance to heavy metal stress by polyamine application.
    Food Chemistry. Roč. 213, DEC 15 (2016), s. 223-229. ISSN 0308-8146
    R&D Projects: GA MŠk(CZ) LD13029
    Institutional support: RVO:61389030
    Keywords : Vegetables * Heavy metal * Accumulation
    Subject RIV: DN - Health Impact of the Environment Quality
    Impact factor: 4.529, year: 2016

    Many areas have been heavily contaminated by heavy metals from industry and are not suitable for food production. The consumption of contaminated foods represents a health risk in humans, although some heavy metals are essential at low concentrations. Increasing the concentrations of essential elements in foods is one goal to improve nutrition.
    The aim of this study was to increase the accumulation of heavy metals in plant foods by the external application of putrescine. The levels of cadmium, zinc and iron were measured in different vegetables grown in hydroponic medium supplemented with heavy metals and compared with those grown in a reference medium. The estimated daily intake, based on the average daily consumption for various vegetable types, and the influence of polyamines on metal uptake were calculated.
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