污染指数及危害系数(HQ)评价生乳中重金属残留风险分析方法研究

Abstract

Abstract: A risk analysis with single factor index and Nemerow multifactor index method was developed to evaluate the pollution levels of heavy metal in raw milk in different regions. And the non-cancer risk in the raw milk with low concentration pollution and non-residue limit was estimated using the hazard quotient (HQ). HQ was the ratio of the exposure estimate to the reference value. By the results, we could ensure the safety of raw milk. Twenty raw milk samples were collected from China's two of the main milk-producing regions. The pollution of arsenic, lead, chromium, cadmium, mercury, aluminium and nickel elements were analysed, the results indicated the samples collected from region B was higher than A, and the exposure of non-cancer risk of the concentration in all positive samples were far below the reference value. The rationality and applicability of this method were proved.

Key words: raw milk; heavy metal; pollution index; hazard quotient

CLC Number:

TS252.7

QU Xue-yin, ZHENG Nan, HAN Rong-wei, LI Song-li, ZHOU Xue-wei, WANG Jia-qi. Risk Analysis of Residues of Heavy Metal in Raw Milk with Pollution Index and Hazard Quotient[J]. , 2013, 40(S1): 22-26.

References

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Risk Analysis of Residues of Heavy Metal in Raw Milk with Pollution Index and Hazard Quotient

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