MSPD와 HPLC를 이용한 돼지고기 및 광어 중의 테트라싸이클린계 항생제와 sulfonamide의 다성분 잔류분석법 개발
Simultaneous Determination of Tetracyclines and Sulfonamides Residues in Pork and Flatfish Using Matrix Solid Phase Dispersion (MSPD) Extraction and HPLC
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초록
This study was conducted to develop more convenient simultaneous determination method by matrix solid phase dispersion (MSPD) and HPLC for sulfonamides such as sulfamerazine (SMR), sulfamethazine (SMT), sulfamonomethoxine (SMM), sulfadimethoxine (SDM), sulfaquinoxaline (SQX), and tetracyclines including oxytetracycline (OTC), tetracycline (TC) chlortetracycline (CTC) in prok and flatfish. The limits of detection were 0.047 ㎎․㎏-1 for OTC, TC, SMR, SMT and SMM, and 0.033 ㎎․㎏-1 for CTC, SDM, and SQX, respectively. So it is sufficiently possible to detect the eight tetracyclines and sulfonamides under their MRLs (0.1~0.2 mg․kg-1). The average percentage recoveries of sulfonamides and tetracyclines from pig muscle and flatfish spiked standard solution were approximately 80.25~101.25% and 85.77~121.42%, respectively. Therefore this method was efficient for simultaneous analysis of eight tetracyclines and sulfonamides.
Abstract
This study was conducted to develop more convenient simultaneous determination method by matrix solid phase dispersion (MSPD) and HPLC for sulfonamides such as sulfamerazine (SMR), sulfamethazine (SMT), sulfamonomethoxine (SMM), sulfadimethoxine (SDM), sulfaquinoxaline (SQX), and tetracyclines including oxytetracycline (OTC), tetracycline (TC) chlortetracycline (CTC) in prok and flatfish. The limits of detection were 0.047 ㎎․㎏-1 for OTC, TC, SMR, SMT and SMM, and 0.033 ㎎․㎏-1 for CTC, SDM, and SQX, respectively. So it is sufficiently possible to detect the eight tetracyclines and sulfonamides under their MRLs (0.1~0.2 mg․kg-1). The average percentage recoveries of sulfonamides and tetracyclines from pig muscle and flatfish spiked standard solution were approximately 80.25~101.25% and 85.77~121.42%, respectively. Therefore this method was efficient for simultaneous analysis of eight tetracyclines and sulfonamides.
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