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題名 | 免洗筷中殺菌劑鄰苯基苯酚、聯苯、腐絕及依滅列檢驗方法之探討及建立=Investigation and Establishment on the Test Method for O-phenylphenol, Biphenyl, Thiabendazole and Imazalil in Disposable Chopsticks |
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作者 | 蔡雯茹; 張美華; 鄒嘉珊; 曾素香; 高雅敏; 闕麗卿; 施養志; | 書刊名 | 食品藥物研究年報 |
卷期 | 5 2014.12[民103.12] |
頁次 | 頁1-8 |
分類號 | 412.3 |
關鍵詞 | 免洗筷; 鄰苯基苯酚; 聯苯; 腐絕; 依滅列; 高效液相層析儀; 液相層析串聯質譜儀; Isposable chopsticks; O-phenylphenol; Biphenyl; Thiabendazole; Imazalil; High performance liquid chromatography; Liquid chromatography/tandem mass spectrometry; |
語文 | 中文(Chinese) |
中文摘要 | 有些化合物如鄰苯基苯酚(o-phenylphenol, OPP)、聯苯(biphenyl, BP)、腐絕 (thiabendazole, TBZ)及依滅列(imazalil, IMZ)具有消毒及防霉的作用,然而,免洗 筷若為了防止發霉以延長保存期限而使用此類化合物,將會影響民眾身體健康。 本研究以高效液相層析儀配合螢光檢出器(high performance liquid chromatography/ fluorescence detector, HPLC/FLD)分析鄰苯基苯酚及聯苯,以液相層析串聯質譜儀 (liquid chromatography/tamdem mass spectrometry, LC/MS/MS)配合多重反應偵測 (multiple reaction monitoring, MRM)模式分析腐絕及依滅列。將免洗筷刨成小片狀 後,以乙腈:甲醇(1:1, v/v)溶液經超音波及振盪器振盪萃取,浸漬隔夜,取上清液經 濾膜過濾,分別注入HPLC/FLD及LC/MS/MS進行分析,並以標準曲線對鄰苯基苯酚 與聯苯及以基質匹配檢量線對腐絕與依滅列進行定量。免洗筷添加回收試驗中,其 平均回收率介於81-121%之間,變異係數介於0.17-12.6%之間。本方法之定量極限聯 苯及鄰苯基苯酚均為0.05 ppm,腐絕及依滅列均為0.02 ppm。以建立之方法檢測市售 10件免洗筷檢體,結果上述4種化合物皆未檢出。本檢驗方法已公開於本署建議檢驗 方法網頁,提供相關衛生檢驗、限量標準制定之參考依據。 |
英文摘要 | Compounds such as o-phenylphenol, biphenyl, thiabendazole and imazalil have disinfection and anti-mildew functions. However, there are health concerns with the above compounds being used in disposable chopsticks to prevent mold and thus extend shelf-life. In this study the analytical method used for biphenyl and o-phenylphenol was the high performance liquid chromatography/fluorescence detector (HPLC/FLD), while for thiabendazole and imazalil, the liquid chromatography/tandem mass spectrometer (LC/MS/MS) with multiple reaction monitoring was applied. Chopsticks were sliced into pieces, added with acetonitrile: methanol (1:1, v/v) solution and then extracted with a sonicator and a vortex mixer and soaked overnight. The supernatant was filtered with a membrane filter and analyzed by HPLC/FLD and LC/MS/MS individually. The levels of compounds were quantitated by standard curves for o-phenylphenol, biphenyl and matrix-matched calibration curves for thiabendazole and imazalil. Recovery studies were done with fortification at difference concentration of standards. The average recoveries ranged from 81 to 121%, with the coefficients of variation (CVs) ranging from 0.17 to 12.6%. The limits of quantification have been estimated as 0.05 ppm for biphenyl and o-phenylphenol and 0.02 ppm for thiabendazole and imazalil. Based on our established method, none of the above 4 compounds was detected in the 10 disposable chopstick samples collected from the market. This method has been published on TFDA website, which provides reference for sanitary inspection and establishing the limit standard. |
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