Potato (Solanum tuberosum L.) can be grown safety on human consumption in slight Hg-contaminated soils across China mainland

Abstract Mercury (Hg) exposure poses serious health risks to humans, resulting in extensive investigations examining Hg accumulation, biotransformation and uptake in crops. In this investigation, Hg accumulation in potato tubers due to bioaccumulation processes was determined and bioconcentration fa...

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Autores principales:	Bo Yang, Yi Gao, Chunxue Zhang, Jiarui Han, Yige Liu, Xiangqun Zheng
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/87cc8d24c07340e4bc5dd7c93ff5bacc
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spelling	oai:doaj.org-article:87cc8d24c07340e4bc5dd7c93ff5bacc2021-12-02T14:59:15ZPotato (Solanum tuberosum L.) can be grown safety on human consumption in slight Hg-contaminated soils across China mainland10.1038/s41598-020-65430-12045-2322https://doaj.org/article/87cc8d24c07340e4bc5dd7c93ff5bacc2020-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-65430-1https://doaj.org/toc/2045-2322Abstract Mercury (Hg) exposure poses serious health risks to humans, resulting in extensive investigations examining Hg accumulation, biotransformation and uptake in crops. In this investigation, Hg accumulation in potato tubers due to bioaccumulation processes was determined and bioconcentration factors affecting bioaccumulation were identified using a greenhouse experiment. Our results showed that the percentage of available Hg concentrations from total Hg in soil samples were less than 1.2%, indicating that soils used in our experiment exhibited a high binding strength for Hg, with alkaline soil recording the lowest available Hg/total Hg ratio. Results indicated that soil type and Hg treatment, as well as their interactions, significantly affected Hg accumulation in potato tubers (P < 0.01). Importantly, our results also indicated that potatoes grown in soil with a Hg concentration two times higher than the Chinese Environmental Quality Standard exhibited no obvious toxic effects on humans; Bioconcentration factors (BCF) values (<0.04) suggested that potatoes can be considered as a low Hg accumulating species and suitable for human consumption. Potato yields in acidic soil were lower than those in neutral or alkaline soils, making this medium unsuitable for growth.Bo YangYi GaoChunxue ZhangJiarui HanYige LiuXiangqun ZhengNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-7 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Bo Yang Yi Gao Chunxue Zhang Jiarui Han Yige Liu Xiangqun Zheng Potato (Solanum tuberosum L.) can be grown safety on human consumption in slight Hg-contaminated soils across China mainland
description	Abstract Mercury (Hg) exposure poses serious health risks to humans, resulting in extensive investigations examining Hg accumulation, biotransformation and uptake in crops. In this investigation, Hg accumulation in potato tubers due to bioaccumulation processes was determined and bioconcentration factors affecting bioaccumulation were identified using a greenhouse experiment. Our results showed that the percentage of available Hg concentrations from total Hg in soil samples were less than 1.2%, indicating that soils used in our experiment exhibited a high binding strength for Hg, with alkaline soil recording the lowest available Hg/total Hg ratio. Results indicated that soil type and Hg treatment, as well as their interactions, significantly affected Hg accumulation in potato tubers (P < 0.01). Importantly, our results also indicated that potatoes grown in soil with a Hg concentration two times higher than the Chinese Environmental Quality Standard exhibited no obvious toxic effects on humans; Bioconcentration factors (BCF) values (<0.04) suggested that potatoes can be considered as a low Hg accumulating species and suitable for human consumption. Potato yields in acidic soil were lower than those in neutral or alkaline soils, making this medium unsuitable for growth.
format	article
author	Bo Yang Yi Gao Chunxue Zhang Jiarui Han Yige Liu Xiangqun Zheng
author_facet	Bo Yang Yi Gao Chunxue Zhang Jiarui Han Yige Liu Xiangqun Zheng
author_sort	Bo Yang
title	Potato (Solanum tuberosum L.) can be grown safety on human consumption in slight Hg-contaminated soils across China mainland
title_short	Potato (Solanum tuberosum L.) can be grown safety on human consumption in slight Hg-contaminated soils across China mainland
title_full	Potato (Solanum tuberosum L.) can be grown safety on human consumption in slight Hg-contaminated soils across China mainland
title_fullStr	Potato (Solanum tuberosum L.) can be grown safety on human consumption in slight Hg-contaminated soils across China mainland
title_full_unstemmed	Potato (Solanum tuberosum L.) can be grown safety on human consumption in slight Hg-contaminated soils across China mainland
title_sort	potato (solanum tuberosum l.) can be grown safety on human consumption in slight hg-contaminated soils across china mainland
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/87cc8d24c07340e4bc5dd7c93ff5bacc
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Potato (Solanum tuberosum L.) can be grown safety on human consumption in slight Hg-contaminated soils across China mainland

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