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http://dx.doi.org/10.13103/JFHS.2012.27.4.456

Monitoring of Heavy Metals in Vegetables in Korea  

Go, Myoung Jin (Gwangju Regional Food and Drug Administration)
Lee, Jin Ha (National Institute of Food and Drug Safety Evaluation, Nutrition and Functional Food Research, Food Safety Evaluation Department)
Park, Eun Heui (Gwangju Regional Food and Drug Administration)
Park, Sang Wook (Gwangju Regional Food and Drug Administration)
Kim, In Kyung (Gwangju Regional Food and Drug Administration)
Ji, Young Ae (Gwangju Regional Food and Drug Administration)
Publication Information
Journal of Food Hygiene and Safety / v.27, no.4, 2012 , pp. 456-460 More about this Journal
Abstract
This study was carried out as a survey on the level of lead (Pb), cadmium (Cd), arsenic (As) and mercury (Hg) in 5 items of agricultural products (lettuce, pumpkin, head lettuce, cabbage and crown daisy) for which safety guidelines are not yet established in Korea. The 407 samples were collected from local markets in 9 regional places and the levels of metals were measured by ICP-MS and mercury analyzer. The average levels of Pb, Cd, As and Hg were 0.026, 0.018, 0.008 and 0.003 mg/kg for lettuce, 0.002, 0.001, 0.001 and 0.0006 mg/kg for pumpkin, 0.002, 0.005, 0.001 and 0.0005 mg/kg for head lettuce, 0.001, 0.002, 0.0002 and 0.0006 mg/kg for cabbage and 0.022, 0.014, 0.006 and 0.004 mg/kg for crown daisy. For risk assessment, the daily dietary exposures of Pb, Cd and Hg by intake of these agricultural products were calculated and compared with PTWI (provisional tolerable weekly intake) established by JECFA. The daily dietary exposure of heavy metals by intake of these agricultural products were 0.13, 0.56 and 0.09% of PTWI, respectively. These monitoring results will be utilized as fundamental data for the establishment of Korean standards of Pb, Cd, As and Hg in 5 items of agricultural products and valuable source for DB construction for science-based safety control of heavy metals in foods including agricultural products.
Keywords
lead; cadmium; arsenic; mercury; ICP-MS;
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Times Cited By KSCI : 1  (Citation Analysis)
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