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논문 기본 정보

자료유형
학술저널
저자정보
채현영 (Veterinary Drugs & Biologics Division Animal and Plant Quarantine Agency) 정옥미 (Veterinary Drugs & Biologics Division Animal and Plant Quarantine Agency) 허문 (농림축산검역본부) 강정우 (농림수산검역검사본부)
저널정보
한국예방수의학회 예방수의학회지 예방수의학회지 제45권 제4호
발행연도
2021.12
수록면
166 - 171 (6page)

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초록· 키워드

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The objective of this study was to develop a simultaneous method for 8 amino acids including alanine, arginine, glutathione, lysine, ornithine, methionine, threonine and tryptophan in veterinary products using LC-MS/MS. To optimize MS analytical condition of 8 amino acids, each parameter was established by multiple reaction monitoring in positive mode. The chromatogram separation was achieved on a C18 column with mobile phase of 0.1% formic acid in D.W. and 0.1% formic acid in acetonitrile for green technology at a flow rate of 0.4mL/min for 5 min with gradient elution. The developed method was validated for mass accuracy, precision, linearity in veterinary products. Calibration curves were linear over the calibration ranges (0.5 ? 10 mg/L) for all the analytes r2>0.99. Average recoveries were 92.96 ? 105.61% and relative standard deviations (RSD) were 0.27 ? 3.5%. The limit of detection (LOD) and the limit of quantification (LOQ) were 0.04 ? 0.83 mg/L and 0.12 ? 2.52 mg/L, respectively. All values were corresponded with the criteria ranges requested by CD 2002/657/EC. The application of this method will be helpful in quality control analysis of amino acids in veterinary products.

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