A spectrophotometric method for the determination of tryptophan following oxidation by the addition of sodium hypochlorite pentahydrate

• Sho Hosokawa,

  Roles Conceptualization, Investigation, Writing – original draft

  Affiliation Department of Medical Technology, Ehime Prefectural University of Health Sciences, Ehime, Japan

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• Tatsuya Morinishi,

  Roles Investigation

  Affiliation Department of Medical Technology, Kagawa Prefectural University of Health Sciences, Kagawa, Japan

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• Kazuaki Ohara,

  Roles Conceptualization, Investigation

  Affiliation Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, Kagawa, Japan

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• Kentaro Yamaguchi,

  Roles Conceptualization, Investigation

  Affiliation Faculty of Pharmaceutical Sciences at Kagawa Campus, Tokushima Bunri University, Kagawa, Japan

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• Satoshi Tada,

  Roles Methodology, Writing – review & editing

  Affiliation Department of Medical Technology, Kagawa Prefectural University of Health Sciences, Kagawa, Japan

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• Yasunori Tokuhara

  Roles Conceptualization, Investigation, Supervision, Writing – review & editing

  * E-mail: tokuhara-y@kagawa-puhs.ac.jp

  Affiliation Department of Medical Technology, Kagawa Prefectural University of Health Sciences, Kagawa, Japan

  https://orcid.org/0000-0002-8322-2543

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