Analysis on heavy metal, microbe and pesticide contamination of health foods from Henan Province
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(Henan Center for Disease Control and Prevention,Henan Zhengzhou 450016,China)

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    Abstract:

    To find out the contamination status of heavy metal, microbe and pesticide in health foods.Methods Health food samples from 2008 to 2013 were tested by GB/T 5009, GB 5009, GB/T 4789 and GB 4789 for heavy metals, microbes and pesticides, followed by statistical analysis. Results The violation rates of Pb, As and Hg were 6.67%, 6.12% and 1.32% respectively. The rates of Pb and Hg declined during the 6 years while As had no statistical difference. The violation rates of bacteria, fungi and yeast were 5.25%, 3.55% and 0.32% with a tendency to decline while coliforms had no statistical difference. The unqualified samples with were mainly made from vegetable and animal material. The violation rates of Pb, As, Hg, bacteria, coliforms and yeast were higher in pill samples. The mean contents of Pb in vegetable, animal and nutrient supplement samples were 0.71,0.74 and 0.31 mg/kg, the contents of As were 0.41,0.39 and 0.12 mg/kg, and the contents of Hg were 0.07,0.04 and 0.03 mg/kg. No pathogens were found in all the samples. Benzex and DDT were found in 377 samples but not exceeded the limit.Conclusion Heavy metal contaminations were more serious but trended to decline. There were some microbial contaminations declining. There were more risks in vegetable, animal and pill samples. Benzex and DDT contaminations were slight.

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FU Yu-sheng, LI Yong-li, ZHANG Xin-ye, WANG Ai-yue, ZHAI Wen-hui. Analysis on heavy metal, microbe and pesticide contamination of health foods from Henan Province[J].中国食品卫生杂志,2016,28(3):360-365.

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History
  • Received:March 24,2015
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  • Online: June 02,2016
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