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식육 중 항균물질 (플루오르퀴놀론계) 동시 다성분 분석법 개선 연구
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  • 식육 중 항균물질 (플루오르퀴놀론계) 동시 다성분 분석법 개선 연구
저자명
박동엽,황보원,조성숙,최찬영,조상래,박애라,정은희,변유성,Park. Dong-Yeob,Hwang. Bo-Won,Cho. Sung-Suk,Choi. Chan-Young,Cho. Sang-Lae,Park. Ae-Ra,Jung. Eun
간행물명
韓國家畜衛生學會誌
권/호정보
2006년|29권 2호|pp.111-122 (12 pages)
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한국가축위생학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

A direct, accurate and sensitive chromatographic analytical method for quantitative determination of four fluoroquinolones (norfloxacin, cirprofloxacin, danofloxacin and enrofloxacin) in chicken, pork and beef edible muscle is proposed in the present study. The developed method was successfully applied to the determination of enrofloxacin, as the main component of commercially available veterinary drugs. The samples were homogenized and the antimicrobials were added, then they were extracted twice with dichloromethane. Fluoroquinolone antibiotics were separated on an agilent $250x4mm,;C_{18},;5{mu}m$, analytical column, at $25^{circ}C$. The mobile phase consisted of a mixture of DW : acetonitrile : triethylamine(80:19:1%, v/v, pH 3.0) leading to retention times less than 14 min. at a flow rate 0.5 ml/min. These fluoroquinolones were detected by liquid chromatography with fluorescence at 290 nm excitation and 465 nm emission. The limits of quantification in each edible muscle (chicken, pork, and beef) were 0.32-6.54 ng/g. Using 0.5 g of each sample, average recovery rates at fortification levels of 0.05, 0.1 and 0.2 ${mu}g/ml$ ranged 70.14-71.71% for NFX, 71.87-73.89% for CFX, 82.16-92.35% for DFX, and 90.13-98.12 for EFX This is a simple and economic method to quantify the presence of NFX, CFX, EFX and DFX in edible muscle of animal origin.