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Determination of Heavy Metal Contents in Medicinal Herb  

Lee, Mi-Kyung (Department of Food and Nutrition, Kwang-ju Health College)
Park, Jung-Suk (Department of Complementary Alternative Therapy, Kwang-ju Womens University)
Lim, Hyun-Cheol (Food & Drug Analysis Division, Jeollanamdo Institute of Health and Environment)
Na, Hwan-Sik (Food & Drug Analysis Division, Jeollanamdo Institute of Health and Environment)
Publication Information
Food Science and Preservation / v.15, no.2, 2008 , pp. 253-260 More about this Journal
Abstract
Comparative study was performed on heavy metal contents among domestic herbal medicines and imported one. The heavy metal contents in 89 samples of 65 types of herbal medicines were measured by inductively coupled plasma atomic emission spectrometry (ICP-AES) and mercury analyzer. The mean values of heavy metal contents (mg/kg) for herbal medicines were as follows: Hg, 0.010 (domestic: 0.010, imported: 0.010); Pb, 0.380 (domestic: 0.311, imported: 0.449); Cd, 0.080 (domestic: 0.101, imported: 0.059); As, 2.085 (domestic: 1.845, imported: 2.324); Mn, 31.564 (domestic: 33.844, imported: 29.283); Zn, 15.436 (domestic: 18.703, imported: 12.168); Cu, 3.406 (domestic: 3.374, imported: 3.437); Fe, 134.944 (domestic: 108.327, imported: 161.561). The measured values of Hg, Pb and Cd of domestic and imported herbal medicines showed lower levels than the recommended levels of those in herbal medicines by WHO/PHARM (Pb : not more than 5 mg/kg, Cd : not more than 0.3 mg/kg). This results will he used as a basic data for the future legislation on the regulation and control of heavy metal contents of herbal medicines.
Keywords
Medicinal Herb; heavy metal; domestic; import;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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