쑥갓 중 bifenthrin과 chlorothalonil의 경시적 잔류량 변화 및 생물학적 반감기

This study investigated the residual characteristics of bifenthrin and chlorothalonil in crown daisy and suggested pre-harvest residue limits (PHRLs) based on their dissipation patterns and biological half-lives. The samples for residue analysis were harvested at 0 (3 hr), 1, 3, 5, 7, 9, 11, 13, 15,...

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Published inHan'gug sigpum wi'saeng anjeonseong haghoeji Vol. 34; no. 2; pp. 191 - 198
Main Authors 강민성, 박포현, 김기유, 임부건, 유경신, 이유진, 임정화, 강충원, 김윤호, 이선영, 서정화, 박용배, 윤미혜, Kang, Min-Seong, Park, Po-Hyun, Kim, Ki-Yu, Lim, Bu-Geon, Ryu, Kyong-Shin, Lee, You-Jin, Lim, Jeong-Hwa, Kang, Choong-Won, Kim, Youn-Ho, Lee, Sun-Young, Seo, Jeong-Hwa, Park, Yong-Bae, Yoon, Mi-Hye
Format Journal Article
LanguageKorean
Published 한국식품위생안전성학회 30.04.2019
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ISSN1229-1153
2465-9223
DOI10.13103/JFHS.2019.34.2.191

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Abstract This study investigated the residual characteristics of bifenthrin and chlorothalonil in crown daisy and suggested pre-harvest residue limits (PHRLs) based on their dissipation patterns and biological half-lives. The samples for residue analysis were harvested at 0 (3 hr), 1, 3, 5, 7, 9, 11, 13, 15, 18, 22 and 26 days after treatment, and analyzed by $GC/{\mu}-ECD$ and TOF/MS. The limit of quantitation (LOQs) of bifenthrin and chlorothalonil were 0.0046 mg/kg and 0.0007 mg/kg, respectively. Recoveries ranged from $88.67{\pm}7.97%$ and $99.90{\pm}16.03%$, showing that this method is appropriate for the analysis of the pesticide residues in crown daisy. Being well within first order kinetics, the biological half-lives of the pesticide residues in crown daisy were 9.63 days for bifenthrin and 6.54 days for chlorothalonil. The PHRLs of bifenthrin and chlorothalonil were recommended as 11.70 mg/kg and 24.10 mg/kg for 26 days before harvest, respectively. 쑥갓의 안전성 확보를 위하여 쑥갓 재배기간 중 bifenthrin 및 chlorothalonil의 잔류양상을 연구하였다. 쑥갓에 유효성분 bifenthrin을 살포 후 0일(3시간)은 $0.90{\pm}0.07mg/kg$을 보였고, 26일후에는 $0.14{\pm}0.01mg/kg$이었으며, chlorothalonil은 0일(3시간)에 $79.12{\pm}6.02mg/kg$, 26일후에는 $4.60{\pm}1.33mg/kg$으로 나타났다. 쑥갓 중 bifenthrin과 chlorothalonil의 회수율은 각각 $88.67{\pm}7.97%$와 $99.90{\pm}16.03%$로 유효한 회수율 범위를 보였다. 쑥갓의 생육 기간 중 농약의 잔류량 변화는 first order kinetics model을 적용하여 해석한 결과 bifenthrin의 반감기는 9.63일이었으며, chlorothalonil은 6.54일이었다. 산출된 두 농약의 감소상수를 이용하여 생산단계 잔류 허용기준을 산출한 결과 bifenthrin의 수확 26일 전 잔류량은 11.7 mg/kg이었으며, chlorothalonil은 24.1 mg/kg이었는데 수확 예정일에는 두 농약의 잔류허용기준이 모두 5.0 mg/kg 이하로 잔류하여 안전할 것으로 판단되었다. 쑥갓 생산단계 농산물의 농약 잔류허용기준을 설정하는데 기초자료로 활용하여 농산물 유통단계의 부적합에 따른 생산자의 경제적 손실을 최소화하고 소비자에 대한 안전성을 강화할 수 있다고 사료된다.
AbstractList This study investigated the residual characteristics of bifenthrin and chlorothalonil in crown daisy and suggested pre-harvest residue limits (PHRLs) based on their dissipation patterns and biological half-lives. The samples for residue analysis were harvested at 0 (3 hr), 1, 3, 5, 7, 9, 11, 13, 15, 18, 22 and 26 days after treatment, and analyzed by $GC/{\mu}-ECD$ and TOF/MS. The limit of quantitation (LOQs) of bifenthrin and chlorothalonil were 0.0046 mg/kg and 0.0007 mg/kg, respectively. Recoveries ranged from $88.67{\pm}7.97%$ and $99.90{\pm}16.03%$, showing that this method is appropriate for the analysis of the pesticide residues in crown daisy. Being well within first order kinetics, the biological half-lives of the pesticide residues in crown daisy were 9.63 days for bifenthrin and 6.54 days for chlorothalonil. The PHRLs of bifenthrin and chlorothalonil were recommended as 11.70 mg/kg and 24.10 mg/kg for 26 days before harvest, respectively. 쑥갓의 안전성 확보를 위하여 쑥갓 재배기간 중 bifenthrin 및 chlorothalonil의 잔류양상을 연구하였다. 쑥갓에 유효성분 bifenthrin을 살포 후 0일(3시간)은 $0.90{\pm}0.07mg/kg$을 보였고, 26일후에는 $0.14{\pm}0.01mg/kg$이었으며, chlorothalonil은 0일(3시간)에 $79.12{\pm}6.02mg/kg$, 26일후에는 $4.60{\pm}1.33mg/kg$으로 나타났다. 쑥갓 중 bifenthrin과 chlorothalonil의 회수율은 각각 $88.67{\pm}7.97%$와 $99.90{\pm}16.03%$로 유효한 회수율 범위를 보였다. 쑥갓의 생육 기간 중 농약의 잔류량 변화는 first order kinetics model을 적용하여 해석한 결과 bifenthrin의 반감기는 9.63일이었으며, chlorothalonil은 6.54일이었다. 산출된 두 농약의 감소상수를 이용하여 생산단계 잔류 허용기준을 산출한 결과 bifenthrin의 수확 26일 전 잔류량은 11.7 mg/kg이었으며, chlorothalonil은 24.1 mg/kg이었는데 수확 예정일에는 두 농약의 잔류허용기준이 모두 5.0 mg/kg 이하로 잔류하여 안전할 것으로 판단되었다. 쑥갓 생산단계 농산물의 농약 잔류허용기준을 설정하는데 기초자료로 활용하여 농산물 유통단계의 부적합에 따른 생산자의 경제적 손실을 최소화하고 소비자에 대한 안전성을 강화할 수 있다고 사료된다.
This study investigated the residual characteristics of bifenthrin and chlorothalonil in crown daisy and suggested pre-harvest residue limits (PHRLs) based on their dissipation patterns and biological half-lives. The samples for residue analysis were harvested at 0 (3 hr), 1, 3, 5, 7, 9, 11, 13, 15, 18, 22 and 26 days after treatment, and analyzed by GC/ µ-ECD and TOF/MS. The limit of quantitation (LOQs) of bifenthrin and chlorothalonil were 0.0046 mg/kg and 0.0007 mg/ kg, respectively. Recoveries ranged from 88.67 ± 7.97% and 99.90 ± 16.03%, showing that this method is appropriate for the analysis of the pesticide residues in crown daisy. Being well within first order kinetics, the biological half-lives of the pesticide residues in crown daisy were 9.63 days for bifenthrin and 6.54 days for chlorothalonil. The PHRLs of bifenthrin and chlorothalonil were recommended as 11.70 mg/kg and 24.10 mg/kg for 26 days before harvest, respectively. KCI Citation Count: 1
Author 강충원
Lim, Bu-Geon
윤미혜
Lim, Jeong-Hwa
이선영
김기유
Lee, You-Jin
서정화
강민성
Park, Po-Hyun
Kim, Ki-Yu
이유진
Kang, Choong-Won
Park, Yong-Bae
Ryu, Kyong-Shin
유경신
임정화
Yoon, Mi-Hye
박용배
Kang, Min-Seong
Seo, Jeong-Hwa
Lee, Sun-Young
박포현
김윤호
임부건
Kim, Youn-Ho
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DocumentTitleAlternate Dissipation of Bifenthrin and Chlorothalonil in Crown Daisy during Cultivation and their Biological Half-lives
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Keywords Chlorothalonil
Pre-harvest residue limit
Biological half-life
Bifenthrin
Crown daisy
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Title 쑥갓 중 bifenthrin과 chlorothalonil의 경시적 잔류량 변화 및 생물학적 반감기
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