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http://dx.doi.org/10.9721/KJFST.2012.44.3.263

Establishment of an Analytical Method for Novobiocin in Livestock Products Using HPLC-UVD  

Park, Hee-Ra (Food Chemical Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Food and Drug Administration)
Kwon, Chan-Hyeok (Food Standardization Division, Department of Food Standardization, Food and Drug Administration)
Lee, Jong-Goo (Novel Food Division, Food and Drug Administration)
Kim, Hyung-Soo (Food Chemical Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Food and Drug Administration)
Chae, Young-Sik (Food Chemical Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Food and Drug Administration)
Oh, Jae-Ho (Food Chemical Residues Division, Department of Food Safety Evaluation, National Institute of Food and Drug Safety Evaluation, Food and Drug Administration)
Kwon, Ki-Sung (Center for Food and Drug Analysis, Busan Regional Food and Drug Administration)
Publication Information
Korean Journal of Food Science and Technology / v.44, no.3, 2012 , pp. 263-268 More about this Journal
Abstract
Novobiocin is a coumarin-containing antibiotic, and has a longer half-life in various animals than other veterinary medicines. A simple and rapid high-performance liquid chromatography assay for the determination of residual novobiocin levels in chicken, beef and milk has been developed and validated. The separation condition for HPLC/UVD was optimized by a MG II $C_{18}$ (4.6 mm $ID{\times}250$ mm, 5 ${\mu}m$) column with 0.1% formic acid in $H_2O$/0.1% formic acid in Acetonitrile (40/60, v/v) as the mobile phase at a flow rate of 1.0 mL/min and the detection wavelength was set at 340 nm. Residues were extracted from tissue by blending with methanol. After liquid-liquid partitioning, lipid materials were removed with n-hexane and purification as Silica (1 g, 6 mL) cartridge with 10 mL acetone/dichloromethane (10/90, v/v). Limit of quantification and linearity performed by the analytical method were 0.02 mg/kg and 0.999 ($r^2$), and the recovery range was $88.8{\pm}5.6-100.3{\pm}4.4$, $88.8{\pm}7.2-97.0{\pm}3.2$ and $88.1{\pm}4.3-92.8{\pm}3.6%$. It is expected that this analytical method with regards to novobiocin in chicken, beef and milk could be applied as an official method to administer food safety on veterinary medicines.
Keywords
novobiocin; chicken; beef; milk; HPLC/UVD;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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