2-[3-(2-Thioxopyrrolidin-3-ylidene)methyl]-tryptophan, a Novel Yellow Pigment in Salted Radish Roots(Food & Nutrition Science)

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概要

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• The structure of the yellow pigment found in salted radish roots was studied. It was found that 1-(2-thioxopyrrolidin-3-yl)-1,2,3,4-tetrahydro-β-carboline-3-carboxylic acid (TPCC) was unstable under neutral pH, and was easily converted into the yellow pigment. The yellow pigment was isolated and identified as 2-[3-(2-thioxopyrrolidin-3-ylidene)methyl] -tryptophan (TPMT) by IR, MS, ^1H-, and ^<13>C-NMR spectroscopy. In addition, we proved that this compound was the main yellow pigment in salted radish roots. This compound induced no mutagenicity in Salmonella typhimurium TA98 and TA100, either with or without prior activation.

• 社団法人日本農芸化学会の論文
• 2002-07-23

著者

• 川岸 舜朗

  Department Of Food And Nutrition Sugiyama Jogakuen University

• 川岸 舜朗

  名古屋大学

• 川岸 舜朗

  Emeritus Professor Of Nagoya University

• MATSUOKA Hiroki

  Department of Electronic Engineering, Tohoku University

• Matsuoka H

  Department Of Health And Nutrition Takasaki University Of Health And Welfare

• KAWAKISHI Shunro

  Department of Food Science and Technology, Nagoya University

• YAMADA Yoichi

  Faculty of Engineering, Yamaguchi University

• Yamada Y

  Department Of Electrical And Electronic Engineering Yamaguchi University

• OZAWA Yoshio

  Department of Health and Nutrition, Takasaki University of Health and Welfare

• UDA Yasushi

  Department of Bioproductive Sciences, Utsunomiya University

• Uda Yasushi

  Department Of Bioproductive Sciences Faculty Of Agriculture Utsunomiya University

• Uda Y

  Niigata Coll. Niigata Jpn

• Uda Yasushi

  Department Of Agricultural Chemistry Utsunomiya University

• Ozawa Yoshio

  Department Of Health And Nutrition Takasaki University Of Health And Welfare

• Matsuoka Hiroki

  Department Of Biochemistry And Molecular Biology Nippon Medical School

• Yamada Y

  Faculty Of Education Utsunomiya University

• TAKAHASHI Asaka

  Nagano Prefectural College

• TAKAHASHI Asaka

  Department of Food Hygiene, Nagano Prefectural College

• Yamada Yoichi

  Faculty Of Education Utsunomiya University

• Kawakishi Shunro

  Department Of Food And Nutrition Sugiyama Jogakuen University

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