Reaction Characteristic and Bleaching Process of Peroxidase

  • MORITA M
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Abstract

論文要旨:酸化還元酵素であるペルオキシダーゼを環境に配慮した繊維加工や洗浄配合剤へ利用するため, 熱耐性,溶媒への耐性,pH 特性,反応の活性化などを検討した。ペルオキシダーゼは,広い基質特異性を 有する。広い pH 範囲で種々の水素供与体と反応することがわかった。水素供与体との反応速度は,水素供 与体の酸化電位によって影響を受けることがわかった。由来の異なるペルオキシダーゼは種々の耐性や反応 特性が異なることがわかった。モミガラ由来ペルオキシダーゼは,熱耐性や有機溶媒耐性や過酸化水素耐性 に優れていることがわかった。ペルオキシダーゼの由来による耐性の違いや,反応特性の違いを利用して, 利用目的に合わせて反応性をコントロールできることを明らかにした。西洋ワサビ由来ペルオキシダーゼと モミガラ由来ペルオキシダーゼを中心に反応機構についても述べる。 Abstract: The demand for environmentally friendly fiber processing and cleaning formulations prompted us to study the heat resistance, solvent resistance, pH characteristics, and the activation of peroxidases from various sources. Peroxidase has a broad substrate specificity. In a wide pH range, peroxidase was found to react with various hydrogen donor. The rate of reaction with hydrogen donors were found to be influenced by the oxidation potential of the hydrogen donor. Peroxidases from dif fer-ent sources were found to exhibit dif ferent stabilities and reaction characteristics. Rice full peroxidase showed excellent resistance towards heat, organic solvent, and hydrogen peroxide. The reaction mechanisms of horseradish peroxidase and rice full peroxidase were studied. Since the peroxidase reaction can be controlled by the reaction conditions, these conditions were proposed to suit the specific application.

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MORITA, M. (2015). Reaction Characteristic and Bleaching Process of Peroxidase. Oleoscience, 15(10), 469–475. https://doi.org/10.5650/oleoscience.15.469

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