Reactivity of Bio-Related Molecules with Active Oxygen Species Determined by the Sonochemical Luminescence Method

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概要

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• Reactivities of bio-related molecules with active oxygen species were measured by the sonochemical luminescent (SCL) method proposed in our previous paper. Sixteen kinds of amino acids, four kinds of nucleobase-model compounds and α-tocopherol as a typical antioxidant compound were measured by the method. Among the amino acids, L-tyrosine, L(–)-phenylalanine, L-tryptophane, L(–)-cystine were found to be more reactive than the others. Among the nucleobase-model compounds, purine bases exhibited higher reactivity than pyrimidine ones. α-Tocopherol was examined while dissolving it as the micellar solution because of its low solubility in water. To evaluate the reactivity of α-tocopherol itself, the reactivities of surfactants used to prepare micellar solution were also measured, and cetyltrimethylammonium bromide was found not so reactive as obstructing the measurement of α-tocopherol’s reactivity. The experiments in the micellar solution showed high reactivity of α-tocopherol. On the basis of these results, application of the proposed method to the evaluation of antioxidant reactivity was discussed.

• 社団法人 化学工学会の論文
• 2005-03-01

著者

• Honda Arata

  Department Of Materials Science And Engineering Yamagata University

• Higuchi Takeshi

  Department Of Materials Science And Engineering Yamagata University

• Higuchi Takeshi

  Department Of Chemistry And Chemical Engineering Yamagata University

• Sato Shimio

  Department of Chemical Engineering,Faculty of Engineering

• Honda Arata

  Department Of Biotechnology Faculty Of Life Sciences Ritsumeikan University

• MURAKATA AITA

  Department of Materials Science and Engineering, Yamagata University

• OIKAWA Sinji

  Department of Materials Science and Engineering, Yamagata University

• FUJIMOTO Toshiya

  Department of Materials Science and Engineering, Yamagata University

• Oikawa Sinji

  Department Of Materials Science And Engineering Yamagata University

• Murakata Aita

  Department Of Materials Science And Engineering Yamagata University

• Murakata (aita)

  Department Of Materials Science And Engineering Yamagata University

• Fujimoto Toshiya

  Department Of Materials Science And Engineering Yamagata University

• Higuchi Takeshi

  Department Of Chemical Engineering Kyoto University

• Sato Shimio

  Department of Chemical Engineering, Faculty of Engineering, Yamagata University

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