Improving crop tolerance to heavy metal stress by polyamine application

被引：29

作者：

Soudek, Petr ^{[1
]}

Ursu, Marina ^{[1
]}

Petrova, Sarka ^{[1
]}

Vanek, Tomas ^{[1
]}

机构：

[1] Inst Expt Bot AS CR, Plant Biotechnol Lab, Vvi, Rozvojova 263, Prague 16502 6, Czech Republic

来源：

FOOD CHEMISTRY | 2016年 / 213卷

关键词：

Vegetables; Heavy metal; Accumulation; Polyamine; Daily intake; Biofortification; ZINC ENZYMES; PLANT-RESPONSES; CADMIUM; TOXICITY; LEAVES; PHYTOREMEDIATION; ACCUMULATION; PUTRESCINE; SPERMIDINE; PROTEINS;

D O I：

10.1016/j.foodchem.2016.06.087

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

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. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：223 / 229

页数：7

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