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市售馬鈴薯製品中抑芽劑克普芬(CHLORPROPHAM)殘留量調查

Investigation on Sprout Suppressant Chlorpropham (CIPC) Residues in Potato Products

摘要


本研究發展出了一種利用高效液相層析(high performance liquid chromatography)檢驗馬鈴薯及其製品中抑芽劑克普芬(chlor-propham, CIPC)殘留之檢驗方法。克普芬以乙腈/水(80/20)自馬鈴著製品中萃取,經淨化後以高效浪相層析儀分析之,結果添加0.04~0.12ppm檢體濃度之平均回收率為83.3~96.5%,最低檢出量為0.01ppm。另外探討已知含有0.23ppm克普芬之冷凍馬鈴薯製品終130、150及170℃油溫開始油炸2、4及6分鐘之消退變化,結果發現克普芬均未檢出。本研究並終全省各縣市超級市場,依批號或製造日期不同抽購進口冷凍馬鈴薯製品91件及油炸製品8件,另自台北地區各西式速食餐廳及直接自代理商抽購之冷凍馬鈴薯製品11件,以本研究建立之方法進行克普芬殘留分析,結果香現檢出殘留者有27件(24.5%),檢出量為0.01~0.23ppm。

並列摘要


A method using high performance liquid chromatography (HPLC) for the determination of chlrpropham (CIPC) residuesin potato products has been developed. CIPC was extractedfrom samples with acetonitrle/water and finally determinedby HPLC after purificaton Recovery studies at 0.04, 0.08 and 0.12ppm fortification levels resulted in average recover-ies between 83.3 and 96.5%. The limit of detection was 0.01ppm. A frozen product sample contained 0.23ppm CIPC wasdeep-fried at 130, 150 and 170℃ for 2, 4 and 6mm, no CIPCresidue was detected after frying. One hundred and ten samples of patato products were analyzed, among which 27 samples were positive and contained CIPC residues at levels of 0.01~0.23ppm.

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