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Τίτλος: Uptake of hexavalent chromium by Lactuca sativa and Triticum aestivum plants and mediated effects on their performance, linked with associated public health risks
Συγγραφείς: Christou, Anastasis 
Georgiadou, Egli C. 
Zissimos, Andreas M 
Christoforou, Irene C. 
Christofi, Christos 
Neocleous, Damianos 
Dalias, Panagiotis 
Fotopoulos, Vasileios 
Major Field of Science: Agricultural Sciences
Field Category: Agriculture Forestry and Fisheries
Λέξεις-κλειδιά: Carcinogenic risk;Chromium;Grain;Hydrogen peroxide;Lettuce;Wheat
Ημερομηνία Έκδοσης: Μαρ-2021
Πηγή: Chemosphere, 2021, vol. 267, articl. no. 128912
Volume: 267
Περιοδικό: Chemosphere 
Περίληψη: Plants exposed to toxic Cr(VI) concentrations show reduced biomass production and yield. The present study examined (1) the impacts of increasing Cr(VI) exposure (0.05, 0.5, 1, 5 and 10 mg L-1 K2Cr2O7 in irrigation water) on the growth and development, yield, and stress physiology of two important crop species, such as wheat (Triticum aestivum L.) and lettuce (Lactuca sativa L.), and (2) the associated human health risks due to the consumption of these commodities. Plants in all Cr(VI) treatments preserved similar growth rates and phenotypes with control, untreated plants, with no remarkable modulations in biomass yield (fresh/dry weight, plant height, straw/grain weight). Grains harvested from plants exposed to all Cr(VI) treatments had increased size and 1000 grain weight, partially suggesting hormetic effect. Elevated K2Cr2O7 concentrations (5 and 10 mg L-1) resulted in increased photosynthetic pigments' levels in lettuce leaves. Lipid peroxidation and H2O2 content also revealed the absence of oxidative stress in lettuce plants. Non-carcinogenic (target hazard quotient) and carcinogenic risks from the consumption of these commodities grown under the conditions described in this study were found de minimis. However, more studies are needed in order to obtain more solid information on the safety of Cr(VI)-contaminated water irrigation.
URI: https://hdl.handle.net/20.500.14279/22731
ISSN: 00456535
DOI: 10.1016/j.chemosphere.2020.128912
Rights: © Elsevier
Type: Article
Affiliation: Ministry of Agriculture, Rural Development and Environment, Cyprus 
Cyprus University of Technology 
Εμφανίζεται στις συλλογές:Άρθρα/Articles

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