The Study on Heavy Metal Contents in Various Foods

여러 가지 식품 중 중금속 함량에 관한 연구

  • Published : 2003.08.01

Abstract

This study was conducted to estimate the heavy metal contents in various foods (n=696). The contents of lead (Pb), cadmium (Cd) and tin (Sn) were determined using and ICP (inductively coupled plasma spectrometer). The content of mercury (Hg) was determined using a mercury analyzer. The values of heavy metals in canned foods were as follows [minimum-maximum (mean), mg/kg]; Pb 0.001${\sim}$0.36 (0.10), Cd 0.001${\sim}$0.10 (0.04), Sn 0.01${\sim}$24.75 (2.60). The mean values of Pb and Cd in animal foods were 0.40 mg/kg and 0.03 mg/kg. Also, the mean values of heavy metals in vegetables and potatoes were 0.03 mg/kg for Pb, 0.02 mg/kg for Cd, 0.001 mg/kg for Hg, respectively. The mean values of Hg in fishes and canned fishes were 0.08 mg/kg and 0.04 mg/kg. Our results showed that heavy metal contents in various foods available on markets were similar to those reported in other countries.

Keywords

lead;cadmium;heavy metals;foods;ICP

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