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KMID : 0881720100250020083
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Journal of Food Hygiene and Safety
2010 Volume.25 No. 2 p.83 ~ p.90
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A Survey on Harmful Materials of Commercial Medical Herb in Gwangju Area
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Lee Hyang-Hee
Ha Dong-Ryong
Kim Eun-Sun
Seo Jung-Mi
Oh Mu-Sul
Seo Kye-Won
Gang In-Sook
Park Jong-Jin
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Abstract
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This study was conducted to investigate the residue amount of harmful materials on the 153 commercial medical herbs in Gwangju area. It was performed using the GC-ECD, GC-NPD, GC-MSD and the LC-UVD, LC-FLD, LC-MSD to analyze 200 pesticides. The heavy metals were determined using a Mercury analyzer and AAS. The sulfur dioxides were analyzed by modified Monnier-Williams method. The residual pesticides were detected in 7 samples, and were over MRLs (Maximum Risk Levels) in 2 samples (1.3%). The mean values of heavy metal contents (mg/kg) were Pb, 0.570; Cd, 0.081; As, 0.082; Hg, 0.0093. The measured values of Pb, As, Hg showed within MRLs. The excess samples of MRLs were 3 samples (changchul 2, cheongung 1) on Cd. The sulfur dioxides were over MRLs in 7 samples (4.6%), hwanggi and gugija. These results will be used to establish on the regulation of commercial medical herbs in Gwangju area.
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KEYWORD
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medical herbs, residual pesticides, heavy metals, sulfur dioxide
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