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KMID : 0380620120440010021
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Korean Journal of Food Science and Technology
2012 Volume.44 No. 1 p.21 ~ p.27
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A Study on Heavy Metal Contents in Processed Foods and Their Safety Evaluations
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Lee Hyo-Jung
Shim Jee-Youn
Oh Hyun-Sook
Jang Mi-Ran
Lee Yoon-Ae
Lee Ryun-Kyung
Kim Min-A
Lee Sang-Min
Cho Tae-Yong
Kang Ho-Il
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Abstract
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This research was carried out as a survey on the contents of lead, cadmium, and arsenic in processed foods (milk, vegetable oil, and margarine) in Korea. The limits of quantification (LOQs) were Pb 0.3 μg/kg, Cd 0.15 μg/kg, and As 0.45 μg/kg for milk and Pb 0.61 μg/kg, Cd 0.31 μg/kg, and As 0.91 μg/kg for vegetable oil and margarine. The recoveries were 92.6-98.0% for Pb, 91.2-98.9% for Cd, and 97.9-104.7% for As. The average levels of Pb were 2.395 μg/kg for milk, and 7.656 μg/kg for vegetable oil. The average levels of Cd were 0.483 μg/kg for milk, and 0.380 μg/ kg for vegetable oil, and levels of As were 0.781 μg/kg for milk, and 1.241 μg/kg for vegetable oil. The results of this study showed that Pb, Cd, and As contents in the whole samples were less than the maximum residual levels in the processed foods that were specified by the Codex standard.
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KEYWORD
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Pb, Cd, As, processed food, monitoring
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