Evaluation of Antioxidant Activity of Vegetables from Okinawa Prefecture and Determination of Some Antioxidative Compounds

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概要

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• We examined the phenolic contents of 45 species of vegetables and their radical scavenging activities for 1,1-diphenyl-2-picrylhydrazyl radical (DPPH·). High contents of phenolic compounds and strong DPPH·scavenging activities were observed in extracts from Nishiyomogi, Ryukyuyomogi, Aojiso, Moroheiya, Hosobawadan, Bajiru, Ensai, Yaeyamakazura, Suizenjina, Botanbouhuu and Uikyou. Eight of these vegetables are traditional foods in Okinawa. These showed strong radical scavenging activities for the superoxide radical (O2-·) and tert-butylhydroperoxyl radical (t-BuOO·). We found five antioxidative phenolic compounds, D(+)-chicoric acid, chlorogenic acid, caffeic acid, luteolin 7-O-β-D-glucopyranoside, and luteolin 7-O-β-D-glucuronide, in Hosobawadan (Crepidiastrum lanceolatum Nakai). Their detailed structures were determined using 1H-NMR, 13C-NMR, MS, and UV spectrometry.

• 社団法人　日本食品科学工学会の論文
• 2006-02-01

著者

• WADA Koji

  Department of Preventive Medicine and Public Health, Kitasato University School of Medicine

• ONO Hiroshi

  National Food Research Institute

• TAKARA Kensaku

  Department o Bioscience and Biotechnology, Faculty of Agriculture, University of the Ryukyus

• Oki Tomoyuki

  National Agricultural Research Center For Kyushu Okinawa Region National Agricultural Research Organ

• Oki Tomoyuki

  National Agricultural Research Center For Kyushu Okinawa Region

• ICHIBA Toshio

  Okinawa Ind. Tech. Center

• SUDA Ikuo

  National Agricultural Research Center for Kyushu Okinawa Region, National Agriculture and Bio-Orient

• Suda Ikuo

  National Agricultural Research Center For Kyushu Okinawa Region National Agricultural Research Organ

• CHUDA Yoshihiro

  National Food Research Institute, Ministry of Agriculture

• Ichiba Toshio

  Okinawa Industrial Technology Center

• Ichiba Toshio

  Exploratory Medicinal Sciences Pfizer Global Research And Development(pgrd)-nagoya Laboratories Pfiz

• Wada K

  Department Of Bioscience And Biotechnology Faculty Of Agriculture University Of The Ryukyus

• Wada K

  Univ. Electro‐communications Chofu‐shi Jpn

• Takara Kensaku

  4 Fac. Of Agriculture Univ. Of The Ryukyus

• Takara Kensaku

  Laboratory Of Applied Biochemistry Department Of Bioscience And Biotechnology Faculty Of Agriculture

• Takara Kensaku

  Department O Bioscience And Biotechnology Faculty Of Agriculture University Of The Ryukyus

• MASUDA Mami

  National Agricultural Research Center for Kyushu Okinawa Ragion (KONARC), National Agricultural Rese

• Masuda Mami

  National Agricultural Research Center For Kyushu Okinawa Region National Agricultural Research Organ

• MAEDA Gouki

  Okinawa Prefectural Agricultural Experiment Station

• Chuda Yoshihiro

  National Food Research Institute

• Wada Koji

  Department Of Bioscience And Biotechnology Faculty Of Agriculture University Of The Ryukyus

• Wada Koji

  Department Of Agricultural Chemistry Faculty Of Agriculture Kyushu University Japan

• Ono Hiroshi

  National Agriculture And Food Research Organization National Food Research Institute

• Wada Koji

  Faculty Of Agriculture University Of The Ryukyus

• SUDA Ikuo

  National Agricultural Research Center for Kyushu Okinawa Region (KONARC)

• SUDA Ikuo

  National Agricultural Research Center for Kyushu Okinawa Region

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