Potential Toxic Elements Accumulation in Several Food Species Grown in Urban and Rural Gardens Subjected to Different Conditions

Urban agriculture increased in Seville (South Spain) in the last 20 years and play different roles in the urban context. Edible species can be contaminated by soil and airborne contamination leading to health risks. Samples of different crop and fruit species and their soils were collected in urban...

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Autores principales:	Sabina Rossini-Oliva, Rafael López-Núñez
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	urban agriculture contamination heavy metal south of Spain Agriculture S
Acceso en línea:	https://doaj.org/article/8cd5c6b1a2f241c794ff2fe73cb64f6c
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spelling	oai:doaj.org-article:8cd5c6b1a2f241c794ff2fe73cb64f6c2021-11-25T16:04:27ZPotential Toxic Elements Accumulation in Several Food Species Grown in Urban and Rural Gardens Subjected to Different Conditions10.3390/agronomy111121512073-4395https://doaj.org/article/8cd5c6b1a2f241c794ff2fe73cb64f6c2021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4395/11/11/2151https://doaj.org/toc/2073-4395Urban agriculture increased in Seville (South Spain) in the last 20 years and play different roles in the urban context. Edible species can be contaminated by soil and airborne contamination leading to health risks. Samples of different crop and fruit species and their soils were collected in urban and rural gardens, including urban gardens from a mining area to investigate the potential contamination in food and soils. Results show that soils from mining gardens were the most contaminated. In the city, crops were generally not more contaminated those in the rural area. Most differences were observed between species, chard and lettuce were the species that reached the highest level of most elements’ accumulation and fruits always had lower metal accumulation than leafy vegetables. Arsenic, Cd, and Pb concentrations did not exceed the FAO/HWO and European legal maximum levels for vegetables studied, so their consumption would be safe for human health. The concentration of Cr, Cu, Mn, and Ni can be considered in the range cited in the bibliography. Special attention should be paid for leafy green vegetables (lettuce and chard) since high values of Ba and Zn were found, up to 42 and 123 mg kg<sup>−1</sup>, respectively, and the risk to human health associated with consuming these species should be studied.Sabina Rossini-OlivaRafael López-NúñezMDPI AGarticleurban agriculturecontaminationheavy metalsouth of SpainAgricultureSENAgronomy, Vol 11, Iss 2151, p 2151 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	urban agriculture contamination heavy metal south of Spain Agriculture S
spellingShingle	urban agriculture contamination heavy metal south of Spain Agriculture S Sabina Rossini-Oliva Rafael López-Núñez Potential Toxic Elements Accumulation in Several Food Species Grown in Urban and Rural Gardens Subjected to Different Conditions
description	Urban agriculture increased in Seville (South Spain) in the last 20 years and play different roles in the urban context. Edible species can be contaminated by soil and airborne contamination leading to health risks. Samples of different crop and fruit species and their soils were collected in urban and rural gardens, including urban gardens from a mining area to investigate the potential contamination in food and soils. Results show that soils from mining gardens were the most contaminated. In the city, crops were generally not more contaminated those in the rural area. Most differences were observed between species, chard and lettuce were the species that reached the highest level of most elements’ accumulation and fruits always had lower metal accumulation than leafy vegetables. Arsenic, Cd, and Pb concentrations did not exceed the FAO/HWO and European legal maximum levels for vegetables studied, so their consumption would be safe for human health. The concentration of Cr, Cu, Mn, and Ni can be considered in the range cited in the bibliography. Special attention should be paid for leafy green vegetables (lettuce and chard) since high values of Ba and Zn were found, up to 42 and 123 mg kg<sup>−1</sup>, respectively, and the risk to human health associated with consuming these species should be studied.
format	article
author	Sabina Rossini-Oliva Rafael López-Núñez
author_facet	Sabina Rossini-Oliva Rafael López-Núñez
author_sort	Sabina Rossini-Oliva
title	Potential Toxic Elements Accumulation in Several Food Species Grown in Urban and Rural Gardens Subjected to Different Conditions
title_short	Potential Toxic Elements Accumulation in Several Food Species Grown in Urban and Rural Gardens Subjected to Different Conditions
title_full	Potential Toxic Elements Accumulation in Several Food Species Grown in Urban and Rural Gardens Subjected to Different Conditions
title_fullStr	Potential Toxic Elements Accumulation in Several Food Species Grown in Urban and Rural Gardens Subjected to Different Conditions
title_full_unstemmed	Potential Toxic Elements Accumulation in Several Food Species Grown in Urban and Rural Gardens Subjected to Different Conditions
title_sort	potential toxic elements accumulation in several food species grown in urban and rural gardens subjected to different conditions
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/8cd5c6b1a2f241c794ff2fe73cb64f6c
work_keys_str_mv	AT sabinarossinioliva potentialtoxicelementsaccumulationinseveralfoodspeciesgrowninurbanandruralgardenssubjectedtodifferentconditions AT rafaellopeznunez potentialtoxicelementsaccumulationinseveralfoodspeciesgrowninurbanandruralgardenssubjectedtodifferentconditions
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Potential Toxic Elements Accumulation in Several Food Species Grown in Urban and Rural Gardens Subjected to Different Conditions

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