新規レーザー蛍光検出HPLCによるγ線照射フェニルアラニン水溶液及び豚肉中のオルトチロシンの分析 New LASER Fluorometric HPLC Detection for ortho-Tyrosine in Gamma-Irradiated Phenylalanine Solution and Pork

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New analytical procedure for o-tyrosine was studied to investigate effects of gamma irradiation on aqueous phenylalanine solution and pork. The process includes extraction and hydrolysis of protein, derivatization of the free amino acid by fluororeagent, and finally separation and detection by LASER fluorometric HPLC. The detection limit was 25 ng.<BR>To study how the procedure works, irradiated phenylalanine solution and pork were analyzed. The samples were irradiated at doses up to 10kGy at room temperature.<BR>Three tyrosine isomers were detected in phenylalanine solution, and 2 isomers (o-and p-tyrosine) were found in pork. Dose response was found in the formation of the isomers both in phenylalanine solution and in pork. O-tyrosine peak obtained from irradiated pork was separated from interference successfully. Those findings illustrate the procedure may be applicable to detection of irradiated food.

収録刊行物

  • 食品照射 = Food irradiation, Japan

    食品照射 = Food irradiation, Japan 34(1), 3-8, 1999-09-30

    日本食品照射研究協議会

参考文献:  5件中 1-5件 を表示

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    被引用文献5件

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    被引用文献1件

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各種コード

  • NII論文ID(NAID)
    10013022128
  • NII書誌ID(NCID)
    AN00117832
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03871975
  • NDL 記事登録ID
    4868893
  • NDL 雑誌分類
    ZP34(科学技術--食品工学・工業)
  • NDL 請求記号
    Z17-640
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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