Cargando…
An Assessment of Dietary Exposure to Cadmium in Residents of Guangzhou, China
Cadmium and its compounds are human carcinogens with severe organ toxicity, and their contamination of agricultural soil in China has been frequently reported; however, the dietary exposure to cadmium in residents and the relevant health risk have seldom been reported. In this study, the concentrati...
Autores principales: | , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2018
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5877101/ https://www.ncbi.nlm.nih.gov/pubmed/29558399 http://dx.doi.org/10.3390/ijerph15030556 |
_version_ | 1783310632042364928 |
---|---|
author | Zhang, Weiwei Liu, Yungang Liu, Yufei Liang, Boheng Zhou, Hongwei Li, Yingyue Zhang, Yuhua Huang, Jie Yu, Chao Chen, Kuncai |
author_facet | Zhang, Weiwei Liu, Yungang Liu, Yufei Liang, Boheng Zhou, Hongwei Li, Yingyue Zhang, Yuhua Huang, Jie Yu, Chao Chen, Kuncai |
author_sort | Zhang, Weiwei |
collection | PubMed |
description | Cadmium and its compounds are human carcinogens with severe organ toxicity, and their contamination of agricultural soil in China has been frequently reported; however, the dietary exposure to cadmium in residents and the relevant health risk have seldom been reported. In this study, the concentration of cadmium in various types of food collected from 2013 to 2015 were analyzed using graphite furnace atomic absorption spectrometry, and the dietary exposure to cadmium assessed based on a dietary survey in 2976 Guangzhou residents. In total, 3074 out of 4039 food samples had cadmium levels above the limit of detection. The mean ± standard deviation (50th, 95th percentile) cadmium content in all samples was 159.0 ± 112.7 (8.6, 392.4) μg/kg, with levels ranging from 1.0 to 7830 μg/kg. Using the mean cadmium concentrations, the average monthly dietary exposure of Guangzhou residents to cadmium was 14.4 (μg/kg body weight (BW), accounting for 57.6% of the provisional tolerable monthly intake (PTMI). Rice, laver, vegetables, and live aquatic products were the main sources of cadmium intake, on average accounting for 89% of the total value. The dietary cadmium exposure in high consumers (95th percentile food consumption) was 41.0 μg/kg·BW/month, accounting for 163% of the PTMI. Additionally, dietary cadmium exposure at mean consumption but high cadmium food concentration (95th percentile) was 32.3 μg/kg·BW/month, corresponding to 129% of the PTMI. The level of dietary exposure to cadmium in most Guangzhou residents was within the safety limit, thus increased health risk from dietary cadmium exposure is low at present. However, continued efforts by local governments to monitor the levels of cadmium in the four main food categories contributing to exposure are necessary. |
format | Online Article Text |
id | pubmed-5877101 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-58771012018-04-09 An Assessment of Dietary Exposure to Cadmium in Residents of Guangzhou, China Zhang, Weiwei Liu, Yungang Liu, Yufei Liang, Boheng Zhou, Hongwei Li, Yingyue Zhang, Yuhua Huang, Jie Yu, Chao Chen, Kuncai Int J Environ Res Public Health Article Cadmium and its compounds are human carcinogens with severe organ toxicity, and their contamination of agricultural soil in China has been frequently reported; however, the dietary exposure to cadmium in residents and the relevant health risk have seldom been reported. In this study, the concentration of cadmium in various types of food collected from 2013 to 2015 were analyzed using graphite furnace atomic absorption spectrometry, and the dietary exposure to cadmium assessed based on a dietary survey in 2976 Guangzhou residents. In total, 3074 out of 4039 food samples had cadmium levels above the limit of detection. The mean ± standard deviation (50th, 95th percentile) cadmium content in all samples was 159.0 ± 112.7 (8.6, 392.4) μg/kg, with levels ranging from 1.0 to 7830 μg/kg. Using the mean cadmium concentrations, the average monthly dietary exposure of Guangzhou residents to cadmium was 14.4 (μg/kg body weight (BW), accounting for 57.6% of the provisional tolerable monthly intake (PTMI). Rice, laver, vegetables, and live aquatic products were the main sources of cadmium intake, on average accounting for 89% of the total value. The dietary cadmium exposure in high consumers (95th percentile food consumption) was 41.0 μg/kg·BW/month, accounting for 163% of the PTMI. Additionally, dietary cadmium exposure at mean consumption but high cadmium food concentration (95th percentile) was 32.3 μg/kg·BW/month, corresponding to 129% of the PTMI. The level of dietary exposure to cadmium in most Guangzhou residents was within the safety limit, thus increased health risk from dietary cadmium exposure is low at present. However, continued efforts by local governments to monitor the levels of cadmium in the four main food categories contributing to exposure are necessary. MDPI 2018-03-20 2018-03 /pmc/articles/PMC5877101/ /pubmed/29558399 http://dx.doi.org/10.3390/ijerph15030556 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Zhang, Weiwei Liu, Yungang Liu, Yufei Liang, Boheng Zhou, Hongwei Li, Yingyue Zhang, Yuhua Huang, Jie Yu, Chao Chen, Kuncai An Assessment of Dietary Exposure to Cadmium in Residents of Guangzhou, China |
title | An Assessment of Dietary Exposure to Cadmium in Residents of Guangzhou, China |
title_full | An Assessment of Dietary Exposure to Cadmium in Residents of Guangzhou, China |
title_fullStr | An Assessment of Dietary Exposure to Cadmium in Residents of Guangzhou, China |
title_full_unstemmed | An Assessment of Dietary Exposure to Cadmium in Residents of Guangzhou, China |
title_short | An Assessment of Dietary Exposure to Cadmium in Residents of Guangzhou, China |
title_sort | assessment of dietary exposure to cadmium in residents of guangzhou, china |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5877101/ https://www.ncbi.nlm.nih.gov/pubmed/29558399 http://dx.doi.org/10.3390/ijerph15030556 |
work_keys_str_mv | AT zhangweiwei anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT liuyungang anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT liuyufei anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT liangboheng anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT zhouhongwei anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT liyingyue anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT zhangyuhua anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT huangjie anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT yuchao anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT chenkuncai anassessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT zhangweiwei assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT liuyungang assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT liuyufei assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT liangboheng assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT zhouhongwei assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT liyingyue assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT zhangyuhua assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT huangjie assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT yuchao assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina AT chenkuncai assessmentofdietaryexposuretocadmiuminresidentsofguangzhouchina |