Abstract
Hyo Jung Lee*, Jee Youn Shim, Hyun Suk Oh, Mi Ran Jang, Yoon Ae Lee, Ryun Kyung Lee,Min-A Kim, Sang Min Lee, Tae Yong Cho, and Ho Il KangHazardous Substances Analysis Division, Daegu Regional Korea Food & Drug AdministrationAbstract 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, andAs 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. Therecoveries 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 2.395µg/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 thisstudy showed that Pb, Cd, and As contents in the whole samples were less than the maximum residual levels in theprocessed foods that were specified by the Codex standard.Keywords: Pb, Cd, As, processed food, monitoring
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