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Development of food sterilization method by plasma-based ion implantation

Research Project

Project/Area Number 16K07758
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Food science
Research InstitutionHiroshima Institute of Technology

Principal Investigator

Kakugawa Koji  広島工業大学, 生命学部, 教授 (60441507)

Co-Investigator(Kenkyū-buntansha) 田中 武  広島工業大学, 工学部, 教授 (10197444)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords応用微生物学 / 食品加工 / 非加熱殺菌 / プラズマ処理 / プラズマベースイオン注入法 / 耐熱性芽胞 / 殺菌 / 自己点弧プラズマ / プラズマシミュレーション / プラズマ / 食品 / 芽胞菌
Outline of Final Research Achievements

This study was carried out to optimize the condition for the sterilization of Geobacillus stearothermophilus and Clostridium sporogenes by using the PBII method. As a result of the examination, the bactericidal effects of 6D and 3D were obtained respectively. This result shows that the PBII process is effective at the sterilization of thermotolerant spores.
We examined the optimal plasma generation method and control method for food sterilization. Oxygen gas was used to sterilize the food. A plasma was generated using a burst plasma and a negative high voltage pulse voltage. As a result, the choice of gas determines the ion species, the increase of the power supply voltage for burst plasma, and the increase of the high voltage pulse voltage increase the ion density in the sheath, suggesting the formation of plasma with high ion density in the plasma It is considered to be one of the effective conditions for sterilization of food.

Academic Significance and Societal Importance of the Research Achievements

研究成果の学術的意義は、80℃以下の温度帯で耐熱性芽胞菌に対して6Dの殺菌効果が得られることを示し、また、ガス種の違いにより、芽胞細胞壁へ与える影響が異なることを明らかにしたことにある。更に、食品殺菌に有用なガス種の一つとして酸素ガスを見出し、バーストプラズマと負の高圧パルス電圧を適切に組み合わせ、プラズマ中のイオン密度と速度を制御し、食品の殺菌を可能にした点にある。
次に、非加熱殺菌手法を用いて耐熱性芽胞菌の殺菌が可能である事を示し、更に、一般的な酸素ガスを利用し、通常のプラズマチャンバーで動作できる高圧パルス電圧を用いて食品の殺菌が可能である事を示した点に社会的意義がある。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (16 results)

All 2018 2017 2016

All Journal Article (6 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 4 results) Presentation (10 results) (of which Int'l Joint Research: 6 results)

  • [Journal Article] プラズマベースイオン注入法の食品殺菌への応用について2018

    • Author(s)
      角川幸治、田中武
    • Journal Title

      アグリバイオ

      Volume: 2 Pages: 64-68

    • NAID

      40021808295

    • Related Report
      2018 Annual Research Report 2017 Research-status Report
  • [Journal Article] Control of Plasma parameters by Penning ion effect2018

    • Author(s)
      R. Matsuda, Y. Kijima, K. Kakugawa, H. Toyota, T. Tanaka, K. Vutova
    • Journal Title

      ELECTROTECHNICA & ELECTRONICA

      Volume: 6 Pages: 189-193

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Experimental study on sterilization of food with self-igniting plasma formed from liquid using plasma-based ion implantation2018

    • Author(s)
      K. Kakugawa, M. Hosotani, M. Arikado, T. Tabe, K. Fukutomi, Y. Tsuchiya, T. Tanaka
    • Journal Title

      ELECTROTECHNICA & ELECTRONICA

      Volume: 6 Pages: 194-198

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Optimum conditions for sterilization of Geobacillus stearothermophilus spores using plasma-based ion implantation2018

    • Author(s)
      M. Hiyama, K. Kakugawa, A. Yakushiji, K. Watanabe, R. Matsuda, Y. Tsuchiya, T. Tanaka
    • Journal Title

      ELECTROTECHNICA & ELECTRONICA

      Volume: 6 Pages: 199-203

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Applied voltage dependence of plasma characteristic for food sterilization using PBII method2018

    • Author(s)
      K. Watanabe, R. Matsuda, T. Tabe, M. Hiyama, K. Sakasegawa, Y. Yamamoto, K. Kakugawa, T. Tanaka
    • Journal Title

      ELECTROTECHNICA & ELECTRONICA

      Volume: 6 Pages: 204-207

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] EFFECT OF PLASMA DENSITY ON RESIDUAL BACTERIAL NUMBER AND APPLIED VOLTAGE2018

    • Author(s)
      Y. Arimoto, T. Machida, Y. Kijima, M. Hosoya, M. Arikado, K. Kakugawa, T. Tanaka, K. Vutova
    • Journal Title

      INTERNATIONAL SCIENTIFIC JOURNAL “SCIENCE. BUSINESS. SOCIETY”

      Volume: 3 Pages: 3-5

    • Related Report
      2018 Annual Research Report
  • [Presentation] Experimental study on sterilization of food with self-igniting plasma formed from liquid using plasma-based ion implantation2018

    • Author(s)
      K. Kakugawa, M. Hosotani, M. Arikado, T. Tabe, K. Fukutomi, Y. Tsuchiya, T. Tanaka
    • Organizer
      13th international conference on Electron Beam Technologies
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Optimum conditions for sterilization of Geobacillus stearothermophilus spores using plasma-based ion implantation2018

    • Author(s)
      M. Hiyama, K. Kakugawa, A. Yakushiji, K. Watanabe, R. Matsuda, Y. Tsuchiya, T. Tanaka
    • Organizer
      13th international conference on Electron Beam Technologies
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Applied voltage dependence of plasma characteristic for food sterilization using PBII method2018

    • Author(s)
      K. Watanabe, R. Matsuda, T. Tabe, M. Hiyama, K. Sakasegawa, Y. Yamamoto, K. Kakugawa, T. Tanaka
    • Organizer
      13th international conference on Electron Beam Technologies
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Control of Plasma parameters by Penning ion effect2018

    • Author(s)
      R. Matsuda, Y. Kijima, K. Kakugawa, H. Toyota, T. Tanaka, K. Vutova
    • Organizer
      13th international conference on Electron Beam Technologies
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] EFFECT OF PLASMA DENSITY ON RESIDUAL BACTERIAL NUMBER AND APPLIED VOLTAGE2018

    • Author(s)
      Yuki Arimoto, Tatsuro Machida, Yuto Kijima, Masato Hosoya, Miyo Arikado, Koji Kakugawa, Takeshi Tanaka, Katia Vutova
    • Organizer
      International Scientific Conference HIGH TECHNOLOGIES BUSINESS SOCIETY 2018
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] プラズマベースイオン注入法を用いたBacillus stearothermophilusの殺菌におけるパルス幅の最適化2018

    • Author(s)
      角川幸治、薬師寺亜耶、山城朱音、水胤友宏、狩野卓也、田中武
    • Organizer
      日本農芸化学会2018年度大会
    • Related Report
      2017 Research-status Report
  • [Presentation] The effect of pulse width on the sterilization of Bacillus stearothermophilus spores using plasma-based ion implantation2017

    • Author(s)
      Koji Kakugawa, Akane Yamashiro, Kai Saitoh, Tomohiro Mizutane, Takuya Kano, Takeshi Tanaka
    • Organizer
      Asia-Pacific Conference on Engineering & Applied Sciences 2017
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] プラズマベースイオン注入法を用いた酸素ガスの放電特性2017

    • Author(s)
      有元友基,町田竜朗,有門実代, 角川幸治, 田中武
    • Organizer
      第6回電子デバイス・回路・照明・システム関連教育・研究ワークショップ
    • Related Report
      2017 Research-status Report
  • [Presentation] プラズマベースイオン注入法の理解のためのシミュレーションソフト(PEGASUS)の初歩的な応用2017

    • Author(s)
      水胤 友宏、狩野 卓也、岡 聡明、平田 良樹、 山城 朱音、國近 栄梨子、角川 幸治、田中 武
    • Organizer
      第64回 応用物理学会春季学術講演会
    • Place of Presentation
      パシフィコ横浜
    • Related Report
      2016 Research-status Report
  • [Presentation] Bacillus stearothermophilus のプラズマ殺菌に関する研究2016

    • Author(s)
      山城 朱音、水胤 友宏、狩野 卓也、平田 良樹、岡 聡明、角川 幸治、田中 武
    • Organizer
      第4回 電子デバイス・回路・照明・システム関連 教育・研究ワークショップ
    • Place of Presentation
      広島工業大学
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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