Article(id=1241322665173111336, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1241322661654098823, articleNumber=null, orderNo=null, doi=10.20043/j.cnki.MPM.202306447, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1687795200000, receivedDateStr=2023-06-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773883986037, onlineDateStr=2026-03-19, pubDate=1706112000000, pubDateStr=2024-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773883986037, onlineIssueDateStr=2026-03-19, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773883986037, creator=13701087609, updateTime=1773883986037, updator=13701087609, issue=Issue{id=1241322661654098823, tenantId=1146029695717560320, journalId=1227665162245664772, year='2024', volume='51', issue='2', pageStart='193', pageEnd='384', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773883985198, creator=13701087609, updateTime=1773890256678, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241348966214849502, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1241322661654098823, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241348966214849503, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1241322661654098823, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=245, endPage=249, ext={EN=ArticleExt(id=1241322666003583542, articleId=1241322665173111336, tenantId=1146029695717560320, journalId=1227665162245664772, language=EN, title=Heavy metal pollution and health risk assessment of lotus root, Shandong, columnId=1240375107953161116, journalTitle=Modern Preventive Medicine, columnName=Nutrition and Foold Hygiene, runingTitle=null, highlight=null, articleAbstract=
Objective

To investigate the status of heavy metal pollution in lotus root samples in Shandong Province and to assess the health risk.

Methods

A total of 1 927 lotus root samples were collected by stratified random sampling method in 16 cities of Shandong Province. According to GB 5009.2682016 "Determination of Multi-elements in Food" and GB 5009.172014 "Determination of Total Mercury and Organic Mercury in Food", the contents of lead, cadmium, mercury, and arsenic in lotus root were determined and analyzed. The pollution index method was used to assess the pollution status of heavy metals in lotus roots, and the target hazard coefficient method and total target hazard coefficient method were used to quantitatively assess the health risks of heavy metals in lotus root to human health.

Results

The four heavy metals in lotus root in Shandong Province were detected to varying degrees. The average values of lead, cadmium, mercury, and arsenic were 0.017 4, 0.004 6, 0.001 8, and 0.029 9 mg/kg, respectively. A total of 42 samples exceeding the standard were collected from 1 927 samples in this study, with an overall eligibility rate of 97.82%. The pollution index and comprehensive pollution index of the four heavy metals in lotus root were all lower than 0.7. The THQ and TTHQ values of the four heavy metals in adults and children were all less than 1.

Conclusion

The overall level of heavy metals in lotus roots in Shandong Province is relatively low. The health risks caused by heavy metals exposed by residents consuming lotus root are at an acceptable level, so it is suggested to continuously monitor the level of heavy metals in lotus root and evaluate its health risk.

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目的

了解山东省莲藕中重金属污染状况, 并对其进行健康风险评估。

方法

在山东省16个地市采用分层随用机抽样方法,共采集市售莲藕样品1 927份。依据GB 5009.268—2016《食品安全国家标准 食品中多元素的测定》和GB 5009.17—2014《食品安全国家标准食品中总汞及有机汞的测定》标准,对莲藕中铅、镉、汞、砷的含量进行测定和分析。采用污染指数法评估莲藕中重金属污染状况,采用目标危害系数法、总目标危害系数法定量评估莲藕中重金属对人体的健康风险。

结果

山东省莲藕中4种重金属均有不同程度检出,铅、镉、汞、砷含量平均值分别为0.017 4、0.004 6、0.001 8、0.029 9 mg/kg,本研究所采集的1 927份样品中共42份超标样品, 整体合格率为97.82%。莲藕中4种重金属的单因子污染指数及综合污染指数均低于0.7。成人及儿童四种重金属的THQ值、TTHQ值均小于1。

结论

山东省莲藕中重金属污染水平较低,居民经食用莲藕所暴露的重金属引起的健康风险处于可接受水平,建议持续监测莲藕中重金属水平并评估其健康风险。

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褚遵华,E-mail:
, copyrightStatement=本刊刊出的所有文章不代表中华预防医学会和本刊编委会的观点,除非特别声明。, copyrightOwner=中华预防医学会和四川大学华西公共卫生学院, extLink=null, articleAbsUrl=null, sourceXml=gIe0AKxTCDez0cvpQZwnpw==, magXml=0+mWF/CXRNEFGXODvm3jgw==, pdfUrl=null, pdf=B6z8im2HG3SRmz+Sj1ARxg==, pdfFileSize=650412, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=GcFrbS3lKmkJYZJ+TotrJA==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=UvinzNEfzLiqL+VXvrdwAg==, mapNumber=null, authorCompany=null, fund=null, authors=

唐玉莹(1997—),女,硕士在读,研究方向:营养与食品卫生学

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唐玉莹(1997—),女,硕士在读,研究方向:营养与食品卫生学

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Beijing: People’s Medical Publishing House, 2018., articleTitle=null, refAbstract=null), Reference(id=1241322683741295102, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, doi=null, pmid=null, pmcid=null, year=2021, volume=null, issue=14, pageStart=61, pageEnd=null, url=null, language=null, rfNumber=[19], rfOrder=29, authorNames=佚名, journalName=初中生世界, refType=null, unstructuredReference=佚名.《中国居民营养与慢性病状况报告(2020年)》发布成年居民超重肥胖超50%[J].初中生世界2021,(14):61., articleTitle=《中国居民营养与慢性病状况报告(2020年)》发布成年居民超重肥胖超50%, refAbstract=null), Reference(id=1241322683951010312, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, doi=null, pmid=null, pmcid=null, year=2021, volume=null, issue=14, pageStart=61, pageEnd=null, url=null, language=null, rfNumber=[19], rfOrder=30, authorNames=Anonym, journalName=Junior High School World, refType=null, unstructuredReference=Anonym. Report on nutrition and chronic disease status of Chinese residents (2020) released that over 50% of adult residents are overweight and obese[J]. Junior High School World, 2021, (14): 61., articleTitle=Report on nutrition and chronic disease status of Chinese residents (2020) released that over 50% of adult residents are overweight and obese, refAbstract=null), Reference(id=1241322684055867920, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, doi=null, pmid=null, pmcid=null, year=2013, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[20], rfOrder=31, authorNames=环境保护部, journalName=中国人群暴露参数手册-成人卷, refType=null, unstructuredReference=环境保护部.中国人群暴露参数手册-成人卷[M].北京:中国环境出版社,2013., articleTitle=null, refAbstract=null), Reference(id=1241322684198474261, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, doi=null, pmid=null, pmcid=null, year=2013, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[20], rfOrder=32, authorNames=Environmental Protection Department, journalName=Exposure factors handbook of Chinese population: Adults, refType=null, unstructuredReference=Environmental Protection Department. Exposure factors handbook of Chinese population: Adults[M]. Beijing: China Environment Press, 2013., articleTitle=null, refAbstract=null), Reference(id=1241322684311720476, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, doi=null, pmid=null, pmcid=null, year=2020, volume=30, issue=24, pageStart=3020, pageEnd=3022, url=null, language=null, rfNumber=[21], rfOrder=33, authorNames=张昊文, 陈晓晨, 刘斌, journalName=中国卫生检验杂志, refType=null, unstructuredReference=张昊文,陈晓晨,刘斌,等.济宁市矿区周边农田土壤中铅,镉,砷,汞污染状况及风险评估[J].中国卫生检验杂志202030(24):3020-3022., articleTitle=济宁市矿区周边农田土壤中铅,镉,砷,汞污染状况及风险评估, refAbstract=null), Reference(id=1241322684441743907, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, doi=null, pmid=null, pmcid=null, year=2020, volume=30, issue=24, pageStart=3020, pageEnd=3022, url=null, language=null, rfNumber=[21], rfOrder=34, authorNames=Zhang HW, Chen XC, Liu B, journalName=Chinese Journal of Health Laboratory Technology, refType=null, unstructuredReference=Zhang HW, Chen XC, Liu B, et al. Pollution and risk assessment of Lead, Cadmium, Arsenic and Mercury in farmland soil near mine area of Ji’ning[J]. Chinese Journal of Health Laboratory Technology, 2020, 30(24): 3020-3022., articleTitle=Pollution and risk assessment of Lead, Cadmium, Arsenic and Mercury in farmland soil near mine area of Ji’ning, refAbstract=null)], funds=[Fund(id=1241322678599078100, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, awardId=CNS-YUM2020A18, language=CN, fundingSource=中国营养学会-百胜餐饮健康基金(CNS-YUM2020A18), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241322669275140740, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, xref=1., ext=[AuthorCompanyExt(id=1241322669283529350, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, companyId=1241322669275140740, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Department of Nutrition and Food Hygiene, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China), AuthorCompanyExt(id=1241322669291917959, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, companyId=1241322669275140740, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1.山东大学齐鲁医学院公共卫生学院卫生毒理与营养学系,山东 济南 250012)]), AuthorCompany(id=1241322669400969874, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, xref=2., ext=[AuthorCompanyExt(id=1241322669409358483, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, companyId=1241322669400969874, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2.山东省疾病预防控制中心食品与营养所)]), AuthorCompany(id=1241322669564547738, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, xref=3., ext=[AuthorCompanyExt(id=1241322669577130651, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, companyId=1241322669564547738, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3.山东省招远市疾病预防控制中心慢病防治科)])], figs=[ArticleFig(id=1241322674996170775, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=EN, label=Fig.1, caption=Contribution rate of four heavy metals TTHQ in lotus root, figureFileSmall=QcV/8sTcnQqHvudrTAnESA==, figureFileBig=GcFrbS3lKmkJYZJ+TotrJA==, tableContent=null), ArticleFig(id=1241322675109416993, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=CN, label=图1, caption=莲藕中4种重金属TTHQ的贡献率, figureFileSmall=QcV/8sTcnQqHvudrTAnESA==, figureFileBig=GcFrbS3lKmkJYZJ+TotrJA==, tableContent=null), ArticleFig(id=1241322675403018302, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=EN, label=Table 1, caption=

Pollution index classification

, figureFileSmall=null, figureFileBig=null, tableContent=
等级P污染等级污染水平
1P≤0.7安全清洁
20.7<P≤1警戒级尚清洁
31<P≤2轻污染开始受到污染
42<P≤3中污染受到中度污染
5P>3重污染污染已相当严重
), ArticleFig(id=1241322675545624649, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=CN, label=表1, caption=

污染指数分级

, figureFileSmall=null, figureFileBig=null, tableContent=
等级P污染等级污染水平
1P≤0.7安全清洁
20.7<P≤1警戒级尚清洁
31<P≤2轻污染开始受到污染
42<P≤3中污染受到中度污染
5P>3重污染污染已相当严重
), ArticleFig(id=1241322675667259476, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=EN, label=Table 2, caption=

Parameters of health risk assessment of heavy metals in lotus root

, figureFileSmall=null, figureFileBig=null, tableContent=
参数符号参数名称指标取值参考文献
C重金属含量/(mg/kg)表3/
IR摄入率/(g/d)98(儿童)、162(成人)[18]
BW人体平均体重/kg32.7(儿童)、64.3(成人)[10,19]
EF暴露频率/(d/a)365[20]
ED暴露年限/a74.8[20]
RfD口服参考剂量/(mg·kg-1·d-1RfD(铅)=0.003 6[17]
RfD(镉)=0.001 0
RfD(汞)=0.000 3
RfD(砷)=0.000 3
TA平均暴露时间/d27 302[20]
), ArticleFig(id=1241322677193986145, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=CN, label=表2, caption=

莲藕中重金属健康风险评估的参数取值

, figureFileSmall=null, figureFileBig=null, tableContent=
参数符号参数名称指标取值参考文献
C重金属含量/(mg/kg)表3/
IR摄入率/(g/d)98(儿童)、162(成人)[18]
BW人体平均体重/kg32.7(儿童)、64.3(成人)[10,19]
EF暴露频率/(d/a)365[20]
ED暴露年限/a74.8[20]
RfD口服参考剂量/(mg·kg-1·d-1RfD(铅)=0.003 6[17]
RfD(镉)=0.001 0
RfD(汞)=0.000 3
RfD(砷)=0.000 3
TA平均暴露时间/d27 302[20]
), ArticleFig(id=1241322677315620973, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=EN, label=Table 3, caption=

Heavy metal detection results of lotus root samples in Shandong Province

, figureFileSmall=null, figureFileBig=null, tableContent=
检测项 目检测数
(份)
检出份数
[n(%)]
超标份数
[n(%)]

(mg/kg)
M(mg/kg)P95
(mg/kg)
检出值范围(mg/kg)
1 927784(40.69)31(1.61)0.017 4±0.039 50.005 00.069 00.000 3~1.230 0
1 927794(41.20)6(0.31)0.004 6±0.008 20.001 50.017 00.000 0~0.184 0
1 927542(28.13)5(0.26)0.001 8±0.001 90.001 50.005 00.000 0~0.039 3
1 9271 047(54.33)0(0.00)0.029 9±0.047 70.012 50.112 00.000 5~0.499 0
合计1 927-42(2.18)----
), ArticleFig(id=1241322677491781748, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=CN, label=表3, caption=

山东省莲藕样品重金属检测结果

, figureFileSmall=null, figureFileBig=null, tableContent=
检测项 目检测数
(份)
检出份数
[n(%)]
超标份数
[n(%)]

(mg/kg)
M(mg/kg)P95
(mg/kg)
检出值范围(mg/kg)
1 927784(40.69)31(1.61)0.017 4±0.039 50.005 00.069 00.000 3~1.230 0
1 927794(41.20)6(0.31)0.004 6±0.008 20.001 50.017 00.000 0~0.184 0
1 927542(28.13)5(0.26)0.001 8±0.001 90.001 50.005 00.000 0~0.039 3
1 9271 047(54.33)0(0.00)0.029 9±0.047 70.012 50.112 00.000 5~0.499 0
合计1 927-42(2.18)----
), ArticleFig(id=1241322677630193788, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=EN, label=Table 4, caption=

Average content of heavy metals in lotus root samples from various cities in Shandong Province from 2016 to 2021

, figureFileSmall=null, figureFileBig=null, tableContent=
流通环节/种植环节检测数
(份)

(mg/kg)

(mg/kg)

(mg/kg)

(mg/kg)
滨州市1130.015 30.004 30.001 50.055 2
德州市670.010 40.001 70.001 50.033 2
东营市900.009 00.002 50.001 40.018 9
菏泽市670.022 10.007 70.002 00.011 4
济南市2360.019 10.006 00.001 90.025 9
济宁市1200.022 80.004 50.001 20.040 5
聊城市1250.013 50.002 70.001 30.036 2
临沂市1200.004 30.001 10.002 10.003 0
青岛市1220.019 90.006 10.002 00.048 8
日照市1200.023 50.006 50.001 90.046 3
泰安市1200.026 80.002 80.002 60.032 1
威海市1170.024 70.006 10.002 20.012 4
潍坊市1800.017 50.005 90.001 70.015 9
烟台市1200.026 60.006 80.000 40.010 1
枣庄市990.009 70.001 80.001 20.029 4
淄博市1110.007 10.002 70.001 90.026 0
合计1 9270.017 40.002 80.001 90.029 8
P<0.001<0.001<0.001<0.001
), ArticleFig(id=1241322677776994434, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=CN, label=表4, caption=

2016—2021年山东省各市莲藕样品重金属含量均值

, figureFileSmall=null, figureFileBig=null, tableContent=
流通环节/种植环节检测数
(份)

(mg/kg)

(mg/kg)

(mg/kg)

(mg/kg)
滨州市1130.015 30.004 30.001 50.055 2
德州市670.010 40.001 70.001 50.033 2
东营市900.009 00.002 50.001 40.018 9
菏泽市670.022 10.007 70.002 00.011 4
济南市2360.019 10.006 00.001 90.025 9
济宁市1200.022 80.004 50.001 20.040 5
聊城市1250.013 50.002 70.001 30.036 2
临沂市1200.004 30.001 10.002 10.003 0
青岛市1220.019 90.006 10.002 00.048 8
日照市1200.023 50.006 50.001 90.046 3
泰安市1200.026 80.002 80.002 60.032 1
威海市1170.024 70.006 10.002 20.012 4
潍坊市1800.017 50.005 90.001 70.015 9
烟台市1200.026 60.006 80.000 40.010 1
枣庄市990.009 70.001 80.001 20.029 4
淄博市1110.007 10.002 70.001 90.026 0
合计1 9270.017 40.002 80.001 90.029 8
P<0.001<0.001<0.001<0.001
), ArticleFig(id=1241322677881852048, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=EN, label=Table 5, caption=

Heavy metal exceeding standards in lotus root samples from various cities in Shandong Province from 2016 to 2021

, figureFileSmall=null, figureFileBig=null, tableContent=
流通环节/种植环节检测数
(份)
铅超标数
[n(%)]
镉超标数
[n(%)]
汞超标数
[n(%)]
砷超标数
[n(%)]
滨州市1130(0.0)0(0.0)0(0.0)0(0.0)
德州市671(1.5)0(0.0)1(0.2)0(0.0)
东营市900(0.0)0(0.0)0(0.0)0(0.0)
菏泽市672(3.0)0(0.0)0(0.0)0(0.0)
济南市2363(1.3)1(0.4)1(0.4)0(0.0)
济宁市1207(5.8)0(0.0)1(0.8)0(0.0)
聊城市1250(0.0)0(0.0)0(0.0)0(0.0)
临沂市1200(0.0)0(0.0)0(0.0)0(0.0)
青岛市1220(0.0)0(0.0)0(0.0)0(0.0)
日照市1205(4.2)0(0.0)1(0.8)0(0.0)
泰安市1206(5.0)4(3.3)1(0.8)0(0.0)
威海市1173(2.6)0(0.0)0(0.0)0(0.0)
潍坊市1801(0.6)1(0.5)0(0.0)0(0.0)
烟台市1200(0.0)0(0.0)0(0.0)0(0.0)
枣庄市993(3.0)0(0.0)0(0.0)0(0.0)
淄博市1110(0.0)0(0.0)0(0.0)0(0.0)
合计1 92731(1.6)6(0.3)5(0.3)0(0.0)
P<0.001<0.0010.5281
), ArticleFig(id=1241322677986709656, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=CN, label=表5, caption=

2016—2021年山东省各市莲藕样品重金属超标情况

, figureFileSmall=null, figureFileBig=null, tableContent=
流通环节/种植环节检测数
(份)
铅超标数
[n(%)]
镉超标数
[n(%)]
汞超标数
[n(%)]
砷超标数
[n(%)]
滨州市1130(0.0)0(0.0)0(0.0)0(0.0)
德州市671(1.5)0(0.0)1(0.2)0(0.0)
东营市900(0.0)0(0.0)0(0.0)0(0.0)
菏泽市672(3.0)0(0.0)0(0.0)0(0.0)
济南市2363(1.3)1(0.4)1(0.4)0(0.0)
济宁市1207(5.8)0(0.0)1(0.8)0(0.0)
聊城市1250(0.0)0(0.0)0(0.0)0(0.0)
临沂市1200(0.0)0(0.0)0(0.0)0(0.0)
青岛市1220(0.0)0(0.0)0(0.0)0(0.0)
日照市1205(4.2)0(0.0)1(0.8)0(0.0)
泰安市1206(5.0)4(3.3)1(0.8)0(0.0)
威海市1173(2.6)0(0.0)0(0.0)0(0.0)
潍坊市1801(0.6)1(0.5)0(0.0)0(0.0)
烟台市1200(0.0)0(0.0)0(0.0)0(0.0)
枣庄市993(3.0)0(0.0)0(0.0)0(0.0)
淄博市1110(0.0)0(0.0)0(0.0)0(0.0)
合计1 92731(1.6)6(0.3)5(0.3)0(0.0)
P<0.001<0.0010.5281
), ArticleFig(id=1241322678108344486, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=EN, label=Table 6, caption=

Heavy metal pollution index of lotus root in Shandong Province

, figureFileSmall=null, figureFileBig=null, tableContent=
种类单因子污染指数(Pi)mW综合污染指数
Pc
污染等级
莲藕0.170.010.180.060.15安全
), ArticleFig(id=1241322678192230574, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=CN, label=表6, caption=

山东省莲藕重金属污染指数

, figureFileSmall=null, figureFileBig=null, tableContent=
种类单因子污染指数(Pi)mW综合污染指数
Pc
污染等级
莲藕0.170.010.180.060.15安全
), ArticleFig(id=1241322678309671097, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=EN, label=Table 7, caption=

Health risks of heavy metals in lotus root in Shandong Province from 2016 to 2021

, figureFileSmall=null, figureFileBig=null, tableContent=
金属类别成人儿童
EDI [mg/(kg·d)]THQTTHQEDI [mg/(kg·d)]THQTTHQ
1.26×10-50.0031.50×10-50.004
3.78×10-60.0040.1254.50×10-60.0040.148
3.78×10-60.0134.50×10-60.015
3.15×10-50.1053.75×10-50.125
), ArticleFig(id=1241322678460666058, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241322665173111336, language=CN, label=表7, caption=

2016—2021年山东省莲藕重金属对人体的健康风险

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金属类别成人儿童
EDI [mg/(kg·d)]THQTTHQEDI [mg/(kg·d)]THQTTHQ
1.26×10-50.0031.50×10-50.004
3.78×10-60.0040.1254.50×10-60.0040.148
3.78×10-60.0134.50×10-60.015
3.15×10-50.1053.75×10-50.125
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山东省莲藕中重金属污染状况及健康风险评估
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唐玉莹 1 , 王保珍 1 , 肖培瑞 2 , 翟玉庭 3 , 王克波 2 , 陈晨 1 , 褚遵华 2
现代预防医学 | 营养与食品卫生 2024,51(2): 245-249
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现代预防医学 | 营养与食品卫生 2024, 51(2): 245-249
山东省莲藕中重金属污染状况及健康风险评估
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唐玉莹1, 王保珍1, 肖培瑞2, 翟玉庭3, 王克波2, 陈晨1, 褚遵华2
作者信息
  • 1.山东大学齐鲁医学院公共卫生学院卫生毒理与营养学系,山东 济南 250012
  • 2.山东省疾病预防控制中心食品与营养所
  • 3.山东省招远市疾病预防控制中心慢病防治科
  • 唐玉莹(1997—),女,硕士在读,研究方向:营养与食品卫生学

通讯作者:

褚遵华,E-mail:
Heavy metal pollution and health risk assessment of lotus root, Shandong
Yu-ying TANG1, Bao-zhen WANG1, Pei-rui XIAO2, Yu-ting ZHAI3, Ke-bo WANG2, Chen CHEN1, Zun-hua CHU2
Affiliations
  • Department of Nutrition and Food Hygiene, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
出版时间: 2024-01-25 doi: 10.20043/j.cnki.MPM.202306447
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目的

了解山东省莲藕中重金属污染状况, 并对其进行健康风险评估。

方法

在山东省16个地市采用分层随用机抽样方法,共采集市售莲藕样品1 927份。依据GB 5009.268—2016《食品安全国家标准 食品中多元素的测定》和GB 5009.17—2014《食品安全国家标准食品中总汞及有机汞的测定》标准,对莲藕中铅、镉、汞、砷的含量进行测定和分析。采用污染指数法评估莲藕中重金属污染状况,采用目标危害系数法、总目标危害系数法定量评估莲藕中重金属对人体的健康风险。

结果

山东省莲藕中4种重金属均有不同程度检出,铅、镉、汞、砷含量平均值分别为0.017 4、0.004 6、0.001 8、0.029 9 mg/kg,本研究所采集的1 927份样品中共42份超标样品, 整体合格率为97.82%。莲藕中4种重金属的单因子污染指数及综合污染指数均低于0.7。成人及儿童四种重金属的THQ值、TTHQ值均小于1。

结论

山东省莲藕中重金属污染水平较低,居民经食用莲藕所暴露的重金属引起的健康风险处于可接受水平,建议持续监测莲藕中重金属水平并评估其健康风险。

莲藕  /  重金属  /  污染  /  暴露  /  健康风险评估
Objective

To investigate the status of heavy metal pollution in lotus root samples in Shandong Province and to assess the health risk.

Methods

A total of 1 927 lotus root samples were collected by stratified random sampling method in 16 cities of Shandong Province. According to GB 5009.2682016 "Determination of Multi-elements in Food" and GB 5009.172014 "Determination of Total Mercury and Organic Mercury in Food", the contents of lead, cadmium, mercury, and arsenic in lotus root were determined and analyzed. The pollution index method was used to assess the pollution status of heavy metals in lotus roots, and the target hazard coefficient method and total target hazard coefficient method were used to quantitatively assess the health risks of heavy metals in lotus root to human health.

Results

The four heavy metals in lotus root in Shandong Province were detected to varying degrees. The average values of lead, cadmium, mercury, and arsenic were 0.017 4, 0.004 6, 0.001 8, and 0.029 9 mg/kg, respectively. A total of 42 samples exceeding the standard were collected from 1 927 samples in this study, with an overall eligibility rate of 97.82%. The pollution index and comprehensive pollution index of the four heavy metals in lotus root were all lower than 0.7. The THQ and TTHQ values of the four heavy metals in adults and children were all less than 1.

Conclusion

The overall level of heavy metals in lotus roots in Shandong Province is relatively low. The health risks caused by heavy metals exposed by residents consuming lotus root are at an acceptable level, so it is suggested to continuously monitor the level of heavy metals in lotus root and evaluate its health risk.

Lotus root  /  Heavy metals  /  Pollution  /  Exposure  /  Health risk assessment
唐玉莹, 王保珍, 肖培瑞, 翟玉庭, 王克波, 陈晨, 褚遵华. 山东省莲藕中重金属污染状况及健康风险评估. 现代预防医学, 2024 , 51 (2) : 245 -249 . DOI: 10.20043/j.cnki.MPM.202306447
Yu-ying TANG, Bao-zhen WANG, Pei-rui XIAO, Yu-ting ZHAI, Ke-bo WANG, Chen CHEN, Zun-hua CHU. Heavy metal pollution and health risk assessment of lotus root, Shandong[J]. Modern Preventive Medicine, 2024 , 51 (2) : 245 -249 . DOI: 10.20043/j.cnki.MPM.202306447
随着社会科技水平的快速发展,工、农业生产活动对农业相关土壤、水体等环境造成了不同程度的污染[1]。然而,微生物的降解作用无法使沉积在土壤及水体中的重金属消除,从而导致各种食物中重金属含量超标,其便会通过食物链进入人体内,进而对人类健康造成损害[2]。重金属暴露主要对中枢神经系统[3]、人体的肾脏、骨骼、儿童的生长发育[4-5]及皮肤、心血管系统等[6]造成损伤。
蔬菜是居民膳食中不可或缺的一部分,中国居民膳食指南推荐居民每日蔬菜摄入量为300~500 g[7]。水生蔬菜由于其生长在易受重金属污染的池塘底泥中,且具有发达的维管束组织,使其比陆生蔬菜更容易受到重金属的污染[8]。莲藕作为水生蔬菜的一种,已多项研究表明某些地区莲藕已经受到重金属的污染,刘玉玲等[9]采集16批次莲藕样品,其中重金属均有不同程度的检出,其中镉含量最高。高培培等[10]测定保定市莲藕中重金属含量发现样品中铅、镉、砷均有不同程度超标,其中铅超标率最高。近年来,山东省莲藕种植业发展较快,山东省居民食用的莲藕大多来源于本地,居民通过食用莲藕摄入的重金属对健康的影响需予以关注[11]
因此,本研究检测山东省16个地市市售莲藕中重金属铅、镉、汞、砷的浓度,并进行健康风险评估,以评价莲藕中重金属污染现状以及其对人体的健康风险,旨在为山东省居民安全食用莲藕及日后山东省莲藕中重金属监测工作提供科学依据。
采用分层随机抽样的方法,在山东省16个地市,每个地市按照地理位置东、西、南、北及区县个数选取4~8个区县,每个区县按东、西、南、北选取4个抽样单位(流通环节与种植环节按3:1抽样),每个抽样单位随机抽取1份样品。抽样环节包括流通环节和种植环节,流通环节中抽样单位涉及农贸市场和商店,种植环节中抽样单位为种植区域,每份样品至少采集500 g。于2016—2021年,共采集市售散装莲藕合格样品1 927份。
硝酸(优级纯 德国Merck公司),砷、铅、镉元素标准液(1 000 mg/L 美国Inorganic Ventures 公司),汞元素标准溶液(1 000 mg/L 中国计量科学院)。
Mars 6 微波消解仪(美国CEM公司);电感耦合等离子体质谱仪iCAPRQ(美国 Thermo Fisher公司);XS205万分之一电子天平(瑞士Mettler公司);DMA-80测汞仪(德国 MILESTONE公司)。
将样品中可食用部分匀浆制样后密封保存。称取0.5 g试样置于微波消解罐中, 加入8 mL硝酸, 放置1 h后,按照微波消解仪的标准操作步骤进行消解,分三个阶段升温,温度分别为120℃、150℃、190 ℃,每次升温时间为5 min,恒温时间分别为5 min、10 min、20 min。冷却后取出排气,将消解罐置于电热赶酸仪上100 ℃ 赶酸20 min,并将消化液定容至25.00 mL,混匀备用。
依据 GB 5009.268—2016《食品安全国家标准 食品中多元素的测定》[12]采用电感耦合等离子体质谱法对样品中铅、镉、砷进行分析检测。依据GB 5009.17—2014《食品安全国家标准食品中总汞及有机汞的测定》[13]采用测汞仪直接测定莲藕中汞含量。本研究每个样品做2个平行试样,该方法的相对标准偏差均小于10%,平均回收率均在80~110%范围内,以确保莲藕中重金属含量检测结果的精确度与准确度。当铅、镉、汞、砷含量低于检测限(Limit of Detection,LOD)时,定义为“未检出”,样品未检出率>60%时,未检出数据用 LOD 替代,样品未检出率≤60%,将未检出数据用1/2LOD值替代[14]。依据GB 2762—2017《食品安全国家标准食品中污染物限量》[15],当铅>0.1 mg/kg,镉>0.05 mg/kg,汞>0.01 mg/kg,砷>0.5 mg/kg 时,判定为“超标”。
本研究采用单因子污染指数法(Pi)和内梅罗综合污染指数法(Pc)评价莲藕中铅、镉、汞、砷的污染水平[16]Pi按公式(1)计算:
(1)式中,Xi为重金属i的实测值,mg/kg;Si为重金属i的评价标准,mg/kg。
Pc按公式(2)计算:
(2)式中,Pmax为4种重金属Pi中的最大值;Pave为4种重金属Pi的平均值。PiPc的评价标准见表1
采用每日估计摄入量(Estimated Daily Intake,EDI) 评估莲藕中重金属的暴露水平[16],公式如下:
采用目标危害系数(Target Hazard Quotient, THQ)、总目标危害系数(Total Target Hazard Quotient, TTHQ) 分别评价单一重金属和多种重金属复合暴露对人体的健康风险[17]。计算公式如下:
(3)、(4)式中各参数取值见表2。THQ或TTHQ>1分别表示莲藕中重金属对人体健康具有潜在风险。
采用Excel 2019 对数据进行整理,用 SPSS 24.0 进行统计描述,采用χ2检验对重金属超标率进行分析。检验水准α=0.05。
表3所示,2016—2021年山东省1 927份莲藕样品中铅、镉、汞、砷的检出率分别为40.69%、41.20%、28.13%和54.33%,总超标率为 2.18%,其中铅超标率最高,达到 1.61%。莲藕中铅、镉、汞、砷平均含量分别为0.017 4、0.004 6、0.001 8、0.029 9 mg/kg,均低于国家限量标准。其中铅的检出最大值为1.23 mg/kg,为国家标准限量值的12.3倍。
表4所示,各市莲藕重金属铅、镉、汞、砷含量比较,差异有统计学意义(P<0.05),其中泰安市铅、汞含量最高分别为0.026 8、0.002 6 mg/kg,菏泽市镉含量最高为0.007 7 mg/kg,滨州市砷含量最高为0.055 2 mg/kg。
表5所示,各市莲藕重金属铅、镉超标率比较,差异有统计学意义(P<0.05),其中铅超标最为普遍,济宁市铅超标率最高(5.8%),泰安市镉超标率最高(3.3%)。其他市虽有超标情况,但超标率不高。各市莲藕中汞和砷超标率比较,差异无统计学意义(P>0.05)。
表6所示,2016—2021年山东省莲藕四种重金属单因子污染指数中汞的Pi最高,为0.18,其次为铅,Pi为0.17,综合污染指数小于0.7,表明山东省莲藕处于清洁水平,安全等级。
表7所示,莲藕中铅、镉、汞、砷的每日估计摄入量均低于限量值,其THQ、TTHQ值均<1。莲藕中四种重金属的THQ值表现为砷>汞>镉>铅,儿童单一重金属THQ值大于成人,说明儿童对于重金属更为敏感。莲藕中4种重金属对TTHQ 的贡献率如图1所示,成人中铅、镉、汞、砷对TTHQ的贡献率分别为2%、3%、11%、84%,儿童为3%、3%、10%、84%。
本研究分析了山东省16个地市1 927份市售莲藕中铅、镉、汞、砷四种重金属的含量特征并评估了其健康风险。研究结果表明,莲藕中重金属的总超标率为2.18%,其中铅超标率最高,达到 1.61%。与其他省市莲藕的重金属检出率(100%)相比[9],山东省莲藕中重金属检出率较低。高培培等[10]调查保定市莲藕重金属污染情况发现,莲藕中铅的超标率最高,高达23.08%,与本研究结果一致,但山东省莲藕中铅的超标率仅为1.61%,远低于其研究结果,这可能与山东当地土壤和水体铅污染较轻有关。
各市莲藕重金属超标情况分析发现,济宁市120份莲藕中铅超标有7份,铅超标率最高为5.8%,泰安市120份莲藕中镉超标有4份,镉超标率最高为3.3%,泰安市莲藕中铅和汞含量均高于其他地市。因此,对两市莲藕重金属污染情况应予以重视,加强监测。根据济宁市矿区周边农田土壤中重金属污染状况调查[21],该地土壤重金属中铅含量最高为 31.52 mg/kg,高于省内其他市区,当地农田土壤重金属监测结果与本研究结果基本一致。两市莲藕中重金属超标率较高可能与当地的工业、农业生产活动相关,一方面,两市矿产资源丰富,另一方面,纺织、服装业以及皮革制造业等排放的工业“三废”的对当地农业相关环境造成了重金属污染。此外,农药、化肥及地膜的大量使用也导致农田土壤受到重金属污染,尤其是镉污染。
健康风险评估结果显示,成人及儿童四种重金属的THQ、TTHQ值均<1,表明食用莲藕后这四种重金属对人体没有明显的健康风险。儿童浅色蔬菜的摄入量低于成人,但其THQ 值均大于成人,这与刘玉玲等[9]研究结果一致,这说明儿童对重金属污染更为敏感,应引起重视。因此,建议儿童减量食用莲藕或减少莲藕的食用的频率以降低因食用莲藕所引起的健康风险。通过分析莲藕中重金属对TTHQ的贡献率发现,成人及儿童均为砷的贡献率最大,为84%,说明相关部门应对莲藕中砷含量予以重视,虽然其未出现超标情况,但其检出率最高达54.33%且对TTHQ贡献率最大。
本研究存在的不足为用浅色蔬菜的消费量替代莲藕的消费量, 高估了重金属的暴露量。本研究采用点评估评价莲藕中重金属暴露量且未区分不同年龄阶段人群通过摄入莲藕重金属暴露情况,这可能导致评估结果存在一定的不确定性。
综上所述,本研究结果表明山东省市售莲藕受到了铅、镉、汞、砷的不同程度污染,但目前处于较低的污染水平,通过食用莲藕暴露的重金属对人体产生的健康风险处于可接受水平,但对儿童的健康风险需引起重视,建议持续监测山东省莲藕中重金属污染水平。本研究为山东省莲藕中重金属的检测及预防和控制莲藕中重金属污染导致的健康损伤效应提供一定数据支持。
  • 中国营养学会-百胜餐饮健康基金(CNS-YUM2020A18)
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doi: 10.20043/j.cnki.MPM.202306447
  • 接收时间:2023-06-27
  • 首发时间:2026-03-19
  • 出版时间:2024-01-25
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  • 收稿日期:2023-06-27
基金
中国营养学会-百胜餐饮健康基金(CNS-YUM2020A18)
作者信息
    1.山东大学齐鲁医学院公共卫生学院卫生毒理与营养学系,山东 济南 250012
    2.山东省疾病预防控制中心食品与营养所
    3.山东省招远市疾病预防控制中心慢病防治科

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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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