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KMID : 0881720110260020100
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Journal of Food Hygiene and Safety
2011 Volume.26 No. 2 p.100 ~ p.106
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A Survey on Safety of Commercial Fruit Teas in Gwangju Area
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Gang In-Sook
Lee Hyang-Hee
Seo Jung-Mi
Oh Mu-Sul
Jeong Ji-Hee
Yu Yen-A
Cho Bae-Sik
Seo Kye-Won
Kim Eun-Sun
Moon Yong-Woon
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Abstract
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This study was conducted to investigate the residue amount of harmful materials on the 113 commercial fruit teas (Gugija, Omija, Sansuyu) 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 4 samples (Gugija). The mean values of heavy metal contents (mg/kg) were Pb, 0.024; Cd, 0.031; As, 0.010; Hg, 0.003. The measured values of Pb, Cd, As, Hg showed within MRLs. The sulfur dioxides were over MRLs in 4 samples (Gugija). These results will be used to establish on the regulation of commercial fruit teas in Gwangju area.
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KEYWORD
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fruit teas, residual pesticides, heavy metals, sulfur dioxide
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