温州市本地大米重金属镉污染空间分布及人群膳食暴露风险评估
作者:
作者单位:

温州市疾病预控制中心,浙江 温州 325001

作者简介:

高四海 男 副主任医师 研究方向为食品安全风险监测 E-mail:463801475@qq.com

通讯作者:

中图分类号:

R155

基金项目:

温州市基础性科研项目(Y20210040)


Spatial distribution of cadmium pollution in locally produced rice and human exposure risk assessment in Wenzhou City
Author:
Affiliation:

Wenzhou Center for Disease Control and Prevention, Zhejiang Wenzhou 325001, China

Fund Project:

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    摘要:

    目的 分析温州市本地大米重金属镉污染水平及空间分布规律,评估温州市居民食用本地大米镉暴露的健康风险。方法 收集2016—2021年温州市本地大米的监测数据,利用Arcgis 10.2软件将大米镉含量空间分布进行可视化展示,采用普通克里金插值分析方法进行插值分析;结合居民消费量数据,采用简单分布评估法,对温州市居民食用本地大米镉暴露的健康风险进行评估。结果 740份本地大米中镉含量中位数为0.069 mg/kg,检出率和超标率分别为95.68%、11.49%。本地大米镉含量较高的地方主要集中在鹿城区西北部及瑞安市中部地区。温州市成年居民食用本地大米镉的平均月暴露量和高消费人群月暴露量(P95)分别为12.04、21.08 μg/kg·BW,未成年人食用本地大米镉的平均月暴露量和高消费人群月暴露量分别为17.02、32.04 μg/kg·BW。居民食用鹿城区本地大米镉的平均暴露量和高消费人群暴露量均大于每月可耐受摄入量(PTMI)结论 1.16%的温州市成年居民食用本地大米镉暴露量高于PTMI,大米高消费未成年人食用本地大米镉的暴露水平较高,居民食用鹿城区本地大米镉暴露的健康风险较高。

    Abstract:

    Objective This study aimed to evaluate the health risks of cadmium exposure in the local rice of Wenzhou residents by analyzing the pollution level and spatial distribution of cadmium in locally produced Wenzhou rice.Methods The monitoring data of local rice in Wenzhou from 2016 to 2021 were collected, and the spatial distribution of the cadmium concentration of local rice was displayed visually by ARCGIS 10.2. The Ordinary Kriging interpolation analysis was used to analyze spatial interpolation. The cadmium exposure was estimated by combining the concentration of cadmium in local rice with food consumption data. The health risk was assessed using a simple distribution model.Results The median of cadmium in 740 local rice samples was 0.069 mg/kg. The detection rate and over-limit rate were 95.68% and 11.49%, respectively. The areas with high cadmium concentrations in local rice were mainly distributed in the northwest of Lucheng City and the central area of Rui’an City. The average exposure and the exposure of high-consumption groups (P95) to cadmium through eating local rice in Wenzhou adult residents were 12.04 and 21.08 μg/kg·BW, respectively. The average and high-consumption group exposure to cadmium in children were 17.02 and 32.04 μg/kg·BW, respectively. The average exposure and the exposure of high-consumption groups to cadmium by eating local rice in Lucheng were greater than the provisional tolerable monthly intake (PTMI).Conclusion The cadmium exposure levels of 1.16% of all adult residents in Wenzhou by eating local rice were higher than the PTMI. Children with high rice consumption had a higher cadmium exposure level from local rice, and residents had a higher health risk of cadmium exposure by eating local rice in Lucheng.

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高四海,蔡圆圆,刘倩倩,郑三燕,林彩琴.温州市本地大米重金属镉污染空间分布及人群膳食暴露风险评估[J].中国食品卫生杂志,2023,35(9):1333-1339.

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  • 收稿日期:2023-02-20
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  • 在线发布日期: 2024-01-12
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