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http://dx.doi.org/10.6116/kjh.2012.27.6.43.

The analysis of Residual Pesticides and Sulfur Dioxide in Commercial Medicinal Plants  

Kim, Tae Hee (Herbal Material Management Team, Korea Institute of Oriental Medicine)
Jang, Seol (Herbal Material Management Team, Korea Institute of Oriental Medicine)
Lee, Ah Reum (Herbal Material Management Team, Korea Institute of Oriental Medicine)
Lee, A Young (Basic Herbal Medicine Research Group, Korea Institute of Oriental Medicine)
Choi, Goya (Basic Herbal Medicine Research Group, Korea Institute of Oriental Medicine)
Kim, Ho Kyung (Herbal Material Management Team, Korea Institute of Oriental Medicine)
Publication Information
The Korea Journal of Herbology / v.27, no.6, 2012 , pp. 43-48 More about this Journal
Abstract
Objectives : This study was investigated to determine the contents of pesticide residues and sulfur dioxide residues in commercial herbal medicines in Korea. Methods : Chromatographic test was performed on 100 samples consisted with 10 kinds of medicinal plants including improted and domestic products. To establish 19 pesticide residues (DDE, DDD, DDT, Dieldrin, Methoxychlor, BHC isomers, Aldrin, Endosulfan isomers, Endrin, Captan, Procymidone, Chlorpyrifos and Imidacloprid) in commercial herbal medicines, chromatographic equipments were used with the gas chromatography-mass detector and gas chromatography-electron capture detector for qualitative analysis. The imidacloprid analysis was performed by high performance liquid chromatograpgy-ultraviolet detector at 270 nm UV wavelength. The contents of sulfur dioxides were analyzed by modified Monnier-Williams method. All methods were based on notification procedure of Korea Food & Drug Administration (KFDA). Results : The residual pesticides were not founded in improted and domestic samples. Among 100 samples, the residues of sulfur dioxide in 73 samples were not detected and 25 samples showed contents in the range of 0~21.90 mg/kg. The excess samples of MRLs were 2 samples (30 mg/kg to medicinal herbs), Asiasari Radix et Rhizoma (Imported product) and the average amount of sulfur dioxide in 2 unsuitable samples were 14.83 mg/kg. These samples were found to transgress KFDA regulatory guidance of residual sulfur dioxide. Conclusion : These results are able to use as basic data to improve the reliability and value of commercial medicinal herbs.
Keywords
medicinal herbs; pesticide residues; sulfur dioxide;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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