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題名 | 應用高效液相層析法於雞蛋中同時檢測2,4--二胺基嘧啶類藥物之殘留方法及調查試驗=Simultaneous Determination and Survey of 2,4-Diaminopyrimidines Residues in Eggs by High-Performance Liquid Chromatography |
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作者 | 劉雅方; 李新進; 楊喜金; 劉培柏; | 書刊名 | 臺灣省家畜衛生試驗所研究報告 |
卷期 | 33 1997[民86.] |
頁次 | 頁93-101 |
分類號 | 437.715 |
關鍵詞 | 2,4--二胺基嘧啶; 高效液相層析; 同時檢測; 殘留; 2,4-Diaminopyrimidines; HPLC; Simultaneous determination; Residues; |
語文 | 中文(Chinese) |
中文摘要 | 本研究開發以高效液相層析法同時檢驗雞蛋中 trimethoprim (TMP), ormetoprim ( OMP )與 pyrimethamine ( PYM )三種常用於家禽之 2, 4 -- 二胺基嘧 啶藥物之殘留。以氰甲烷萃取檢體,離心後以正已烷去除雜質,經濃縮,最後利用高效液相 層析儀:以 5 × 10 M 醋酸緩衝液( pH4.0 )加甲醇為移動相, 用μ -- Bondapak C �� 分離管柱,於 UV230 nm 分析。檢體添加藥物最終濃度 0.5,1.0 及 2.0 μ g/g 時,其平 均回收率為 76.5% ∼ 99.6%。本方法於檢體中檢出之最低檢出界限為 0.02 μ g/g。 以本 法調查本省蛋雞場雞蛋 300 件的殘留情形結果皆在檢測界限以下。 |
英文摘要 | A high-performance liquid chromatographic (HPLC)method for simultaneous determination of the residue of 2, 4-diaminopyrimidine drugs, including trimethoprim (TMP), ormetoprim (OMP), and pyrimethamine (PYM) in eggs was developed. Samples were extracted with acetonitrile, centrifuged, partitioned with n-hexane, concentrated by rotary evaporation to dryness, and then analysed by HPLC. The conditions were established on a μ -Bondapak C �� clumn with 5 × 10 M acetic acid buffer / methanol as mobile phase and detected at UV 230 nm. The average recoveries of the three drugs spiked into samples at the levels of 0.5,1.0,and 2.0 μ g/g were 76.5% to 99.6%. The lowest detection limit of residual drugs were 0.02 μ g/g in eggs. 300 samples from layer farms in Taiwan area were surveyed by random for the residues of TMP, OMP, and PYM with the developed method. The result indicated that all samples were examined to be below the detection limit of the three drugs. |
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