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Development of Analytical Method for the Determination and Identification of Unregistered Pesticides in Domestic for Orange and Brown Rice(I) -Chlorthal-dimethyl, Clomeprop, Diflufenican, Hexachlorobenzene, Picolinafen, Propyzamide-
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 Title & Authors
Development of Analytical Method for the Determination and Identification of Unregistered Pesticides in Domestic for Orange and Brown Rice(I) -Chlorthal-dimethyl, Clomeprop, Diflufenican, Hexachlorobenzene, Picolinafen, Propyzamide-
Chang, Hee-Ra; Kang, Hae-Rim; Kim, Jong-Hwan; Do, Jung-A; Oh, Jae-Ho; Kwon, Ki-Sung; Im, Moo-Hyeog; Kim, Kyun;
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 Abstract
BACKGROUND: For the safety of imported agricultural products, the study was conducted to develop the analytical method of unregistered pesticides in domestic. The analytical method of 6 pesticides, chlorthal-dimethyl, clomeprop, diflufenican, hexachlorobenzene, picolinafen, and propyzamide, for a fast multi-residue analysis were established for two different type crops, orange and brown rice by GC-ECD and confirmed by mass spectrometry. METHODS AND RESULTS: The analytical method was evaluated to limit of quantification, linearity and recoveries. The crop samples were extracted with acetonitrile and performed cleanup by liquid-liquid partition and Florisil SPE to remove co-extracted matrix. The extracted samples were analyzed by GC-ECD with good sensitivity and selectivity of the method. The limits of quantification (LOQ) range of the method with S/N ratio of 10 was 0.02~0.05 mg/kg for orange and brown rice. The linearity for targeted pesticides were >0.999 at the levels ranged from 0.05 to 10.0 mg/kg. The average recoveries ranged from 74.4% to 110.3% with the percentage of coefficient variation in the range 0.2~8.8% at two different spiking levels (0.02 mg/kg and 0.2 mg/kg, 0.05 mg/kg and 0.5 mg/kg) in brown rice. And the average recoveries ranged from 77.8% to 118.4% with the percentage of coefficient variation in the range 0.2~6.6% at two different spiking levels (0.02 mg/kg and 0.2 mg/kg, 0.05 mg/kg and 0.5 mg/kg) in orange. Final determination was by gas chromatography/mass spectrometry/selected ion monitoring (GC/MS/SIM) to identify the targeted pesticides. CONCLUSION: As a result, this developed analytical method can be used as an official method for imported agricultural products.
 Keywords
Brown rice;GC-ECD;Mass Spectrometry;Multiresidue;Orange;Pesticide;
 Language
Korean
 Cited by
1.
GC/ECD를 이용한 농산물 중 생장조정제 dichlorprop 잔류 분석법 확립,이상목;김재영;김태훈;이한진;장문익;김희정;조윤제;최시원;김명애;김미경;이규식;이상재;

한국환경농학회지, 2013. vol.32. 3, pp.214-223 crossref(new window)
2.
농산물 중 살균제 Isopyrazam의 개별 잔류분석법 확립,김지윤;김자영;함헌주;도정아;오재호;이영득;허장현;

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3.
동시 다성분 분석법에 의한 농산물 중 Diflubenzuron 분석,박선희;한창호;김애경;신재민;이재규;박영혜;김지민;황래홍;장민수;송미옥;박주성;윤은선;김무상;정권;

농약과학회지, 2014. vol.18. 4, pp.269-277 crossref(new window)
4.
가스 크로마토그래피를 이용한 수입농산물 중 국내 미등록 농약의 다성분 동시분석법 적용,이지원;강정균;권혜영;노진호;진용덕;이제봉;홍수명;김택겸;조남준;

농약과학회지, 2015. vol.19. 3, pp.161-173 crossref(new window)
1.
Analysis of Diflubenzuron in Agricultural Commodities by Multiresidue Method, The Korean Journal of Pesticide Science, 2014, 18, 4, 269  crossref(new windwow)
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Method Development and Validation for Analysis of Isopyrazam Residues in Agricultural Products, The Korean Journal of Pesticide Science, 2013, 17, 2, 84  crossref(new windwow)
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Establishment of Analytical Method for Dichlorprop Residues, a Plant Growth Regulator in Agricultural Commodities Using GC/ECD, Korean Journal of Environmental Agriculture, 2013, 32, 3, 214  crossref(new windwow)
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