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頁籤選單縮合
題名 | 衣索巴於雞肉中殘留檢測技術之建立=Determination of Ethopabate Residues in Chicken Muscle |
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作者姓名(中文) | 龔培森; 許瑜芬; 劉敏主; 林士鈺; | 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131-136 |
分類號 | 437.71 |
關鍵詞 | 衣索巴; 高效液相層析法; 殘留; Ethopabate; High performance liquid chromatography; Residue; |
語文 | 中文(Chinese) |
中文摘要 | 應用高效液相層析法檢測雞肉中衣索巴之方法已建立。衣索巴以氰甲烷自檢體中 萃取,再以氰甲烷飽和之正己烷移去脂溶性物質,經濃縮,最後利用高效液相層析儀進行定 量分析。利用 Cosmosil 5 C18-MS ( 250 × 4.6 mm )分離管,以含 30% 氰甲烷之 0.01 M 三水醋酸鈉緩衝液(利用醋酸調 pH 至 3.5 )為移動相, 於紫外光檢測器波長 269 nm 和螢光檢測器激發波長 EX 270 nm、放射波長 EM 350 nm 下進行分析, 可成功地自雞肉中 檢出衣索巴。添加 0.05 ppm、0.1 ppm、及 0.5 ppm 時回收率為 87.01%-91.7%,變異係皆 小於 5%,最低檢測限則為 20 pg。 |
英文摘要 | A simple, rapid, and reliable high performance liquid chromatographic ( HPLC) method for determination of ethopabate in chicken muscle has been developed. The tissue was defatted with n-hexane and ethopabate was extracted with acetonitrile. The HPLC separation was carried out on a cosmosil 5 C18-MS column (250 × 4.6 mm I.D) with 0.01 M sodium acetate buffer (pH 3.5)-acetonitrile (70:30) as the mobile phase at a flow rate of 0.9 ml/min. The drug was detected by UV detection (at 269 nm) and fluorescence detection (EX 270 nm、 EM 350 nm).The recoveries from chicken muscle fortified at the level of 0.05 μ g/g,0.1 μ g/g,and 0.5 μ g/g, were between 87.1.8%-91.7 %. The relative standard deviations ranged from 2.8 to 4.2% with high precision. The limit of detection was 20 pg. |
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