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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이 논문의 연구 히스토리 (8)
2022
Analysis of methenamine residues in horse muscle by targeted sampling plan in 2021
Sunjin Pa
,
k
,
Chung-Oui Hong
외 9명
한국실험동물학회 학술발표대회 논문집
2022.07
학술대회자료
Targeted sampling plan & analysis in scopolamine, methscopolamine and diphenhydramine in horse muscle
Sunjin Pa
,
k
,
Chung-Oui Hong
외 8명
한국분석과학회 학술대회
2022.05
학술대회자료
Targeted sampling plan & analysis in diethylcarbamazine and guaifenesin in horse muscle
Sunjin Pa
,
k
,
Hyobi Kim
외 6명
한국실험동물학회 학술발표대회 논문집
2022.01
학술대회자료
Targeted sampling plan & analysis in scopolamine, methscopolamine and diphenhydramine in horse muscle
Sunjin Pa
,
k
,
Chung-Oui Hong
외 6명
한국실험동물학회 학술발표대회 논문집
2022.01
학술대회자료
2021
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- 연관 학술논문 또는 학술발표를 통해 보다 발전된 연구결과를 확인하실 수 있습니다.
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초록· 키워드
오류제보하기
The Animal and Plant Quarantine Agency conducts a targeted sampling plan and analysis for veterinary drugs within the country every year. Target compounds included tetrachlorvinphos as an organophosphate, diminazene as an anti-infective medication, ketoprofen as a nonsteroidal anti-inflammatory drug, triclabendazole and clorsulon as flukicides in 2022. These compounds were not included in National Residues Program (NRP), despite their high sales ranking. A total of 94 bovine muscle samples and 20 equine muscle samples were collected from various locations across the country. The analysis of target compounds in muscle was performed using LC-MS/MS coupled with Food code 8.3.1 revised in 2022. A 2 g sample of muscle tissue was extracted using a water: acetonitrile (1:4, v/v) solution, then cleaned up with C18 and hexane saturated with acetonitrile. Compounds were separated with C18 column and mobile phases consisted of 0.1% formic acid in water (A) and 0.1% formic acid in acetonitrile (B). All analytes exhibited good linearity with correlation coefficients (R2) higher than 0.992.
The limit of quantification (LOQ) of these compounds ranged from 0.21 to 2.79 μg/kg except for diminazene (3.85~6.86 μg/kg).
The average recoveries of these analytes were 89.45~129.13% in muscle at spiked level of 10 or 20 μg/kg. Relative standard deviations (%) (intra-day and inter-day) were lower than 20% for all target compounds, except for diminazene and triclabendazole, whose intra-day RSD % was slightly higher than 20% in equine muscle. Testing confirmed that all 94 bovine and 20 equine muscle samples from 9 provinces were free from residues of veterinary drugs. Monitoring of compounds not included in the NRP should continue to ensure consumer health and food safety.
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