北京市市售230件谷物制品重金属检测分析
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摘要
目的:分析2015—2016年北京市六个区县小麦粉、玉米面重金属检测结果,为预防和控制提供科学依据。方法:按照国标方法对食品样品进行镉、铅、汞、砷4个项目的检测。结果:230件样品中,汞、砷均未检出;小麦粉中镉的检出率(83. 33%)高于在玉米面中的检出率(48. 08%)(P <0. 05),铅的检出率(77. 00%)高于在玉米面中的检出率(60. 58%)(P <0. 05);产地不同的样品中铅的检出率不同(P <0. 05)。结论:北京市六个区市售小麦粉、玉米面均有不同程度的镉、铅污染。
Objective To analyze heavy metal in wheat flour and cornmeal in six districts and counties of Beijing from 2015 to 2016,and provide evidence for prevention and control. Method Cadmium,lead,mercury and arsenic in food samples were detected accordance with the national standard method. Result Totally 230 samples,mercury and arsenic were not detected,the detection rate of cadmium in wheat flour( 83. 33%) was higher than the detection rate in maize flour( 48. 08%)( P < 0. 05),the detection rate of lead( 77%) was higher than the detection rate in maize flour( 60. 58%)( P < 0. 05),the detection rate of lead from different origin was different( P <0. 05). Conclusion Cadmium and lead pollution were found in wheat flour and maize flour in six districts and markets in Beijing city.
Objective To analyze heavy metal in wheat flour and cornmeal in six districts and counties of Beijing from 2015 to 2016,and provide evidence for prevention and control. Method Cadmium,lead,mercury and arsenic in food samples were detected accordance with the national standard method. Result Totally 230 samples,mercury and arsenic were not detected,the detection rate of cadmium in wheat flour( 83. 33%) was higher than the detection rate in maize flour( 48. 08%)( P < 0. 05),the detection rate of lead( 77%) was higher than the detection rate in maize flour( 60. 58%)( P < 0. 05),the detection rate of lead from different origin was different( P <0. 05). Conclusion Cadmium and lead pollution were found in wheat flour and maize flour in six districts and markets in Beijing city.
引文
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[14]邓静秋,韩雪.河北省地表水重金属环境健康风险评价[J].河北农业科学,2014,18(3):85-88.
[2]孙长颢.营养与食品卫生学[M].北京:人民卫生出版社,2011.
[3] Tang J,Huang Z,Pan X D. Exposure assessment of heavy metasls(Cd,Hg,and Pb)by the intake of local foods from Zhejiang[J]. Environ Geochem Health,2014,36(4):765-771.
[4]李荣林,李优琴.食品重金属污染风险评估研究及其意义[J].江苏食品与发酵,2008(2):14-17.
[5]刘万珍.农产品生产和加工过程中的几种污染来源及预防措施[J].新农村,2012(8):32-33.
[6]高洁文.食品中的重金属污染及其检测技术[J].中外食品工业,2014(1):39-40.
[7]魏裢红,魏泽义.镉的毒性及其危害[J].公共卫生与预防医学,2007,18(4):44-46.
[8] Li F,Ding C Q. Effects of heavy metal pollution on birds[J]. Acta Ecologica Sinica,2007,27(1):296-303.
[9]聂晓玲,程国霞,王敏娟,等. 2014年陕西省市售食品中重金属污染调查及评价[J].中国食品卫生杂志,2016,28(2):240-243.
[10]刘景红,陈玉成.中国主要城市蔬菜重金属污染格局的初步分析[J].微量元素与健康研究,2004,21(5):42-44.
[11]徐友宁,张江华.金矿区农田土壤重金属污染的环境效应分析[J].中国地质,2007,34(4):716-722.
[12]何江,王新伟.黄河包头段水-沉积物系统中重金属的污染特征[J].环境科学学报,2003,23(1):53-57.
[13]王祖伟,李宗梅.天津污灌区土壤重金属含量与理化性质对小麦吸收重金属的影响[J].农业环境科学学报,2007,26(4):1406-1410.
[14]邓静秋,韩雪.河北省地表水重金属环境健康风险评价[J].河北农业科学,2014,18(3):85-88.