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고속액체크로마토그래피를 이용한 항원충제 분석법 개발: 톨트라주릴 및 디클라주릴
정경훈,정미영,박해철,아킬후세인,김대균,이광직,강정우,Jeong, Kyung Hun,Jeong, Miyoung,Park, Hae-Chul,Hossain, Md Akil,Kim, Daegyun,Lee, Kwang-Jick,Kang, Jeong Woo 대한수의학회 2017 大韓獸醫學會誌 Vol.57 No.4
This study was undertaken to develop new analytical methods for assessment of anticoccidials. High-performance liquid chromatography (HPLC) was found to be a fast, reliable, and practical method. The anticoccidials used in this experiment were toltrazuril and diclazuril, and the analysis factors were specificity, linearity, accuracy, repeatability, and intermediate precision. The linearity of each anticoccidial was better than 0.99, and the accuracies were 99.5% and 99.1% with relative SD of 0.5 and 0.4, respectively. To assess whether the developed HPLC method could be effectively applied, toltrazuril and diclazuril post-market veterinary products (five products) that are currently sold were tested. The results revealed no non-compliant items and the method was applied successfully. Therefore, the newly developed HPLC method for anticoccidial assessment described in this study may be useful as a reference method in the Korean Standards of Veterinary Pharmaceuticals for the analysis of toltrazuril and diclazuril.
고속액체크로마토그래피를 이용한 가축용 호르몬제(고나도렐린, 프로게스테론, 옥시토신, 에스트라디올) 분석방법 개발
정경훈 ( Kyung Hun Jeong ),정미영 ( Mi Young Jeong ),박해철 ( Hae-chul Park ),아킬후세인 ( Md Akil Hossain ),김대균 ( Dae Gyun Kim ),이광직 ( Kwang-jick Lee ),강정우 ( Jeong Woo Kang ) 한국동물위생학회 2017 한국동물위생학회지 (KOJVS) Vol.40 No.4
The aim of this study is to develop an optimal analytical method for gonadorelin, progesterone, oxytocin and estradiol, the major components of hormones. A relatively simple and reproducible method using high performance liquid chromatography was developed and as a result of the measurement of specificity, linearity, repeatability, accuracy and intermediated precision, the validity of the developed method was verified with the result of meeting the verification criteria of analytical method validation. Using this newly developed method, 12 post-market veterinary products were tested and the ingredient content were 91.9∼116.4%, which satisfied the 90∼120% condition of the administrative measure standard. Therefore, if the newly developed method is used for the collection examination of hormone in veterinary medicine, it can be useful as an approved test method.