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Nonthermal sterilization technology using high-voltage pulsed electric field to secure the quality and safety of food

Research Project

Project/Area Number 16K06867
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Biofunction/Bioprocess
Research InstitutionGunma University

Principal Investigator

TANINO TAKANORI  群馬大学, 大学院理工学府, 助教 (50467669)

Co-Investigator(Kenkyū-buntansha) 大嶋 孝之  群馬大学, 大学院理工学府, 教授 (30251119)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords非加熱殺菌 / 高電圧パルス電界 / 金属フリー / 液状食品 / 殺菌 / 損傷金 / 日本酒 / 導電率 / 損傷菌 / 食品 / 静電気
Outline of Final Research Achievements

In this study, high-voltage pulsed electric field (HV-PEF) treatment was focused as the physical nonthermal sterilization technology for liquid food. A novel HV-PEF reactor using carbon material as the electrode was developed to avoid the release of metal from electrodes to liquid food. Silicon material was also used as the reactor structure to avoid smell transfer to liquid food. A separating membrane was introduced between the high voltage electrode and the earth electrode, and cooling water was circulated to the high voltage side to suppress the temperature rise of treatment solution. This enabled more nonthermal sterilization of liquid food. The liquid food treated by this reactor was stored for 1 month and the no change of quality of HV-PEF treated liquid food after preservation was confirmed. From these results, a nonthermal sterilization technology to secure the quality and safety of food was successfully developed.

Academic Significance and Societal Importance of the Research Achievements

食品中の熱に弱い成分の変性・喪失などによる食品本来の新鮮さを維持できる非加熱殺菌技術の開発が望まれている。本研究では非加熱殺菌技術の一つとして期待されている高電圧パルス電界(PEF)を用いた殺菌技術において、液状食品への金属溶出やニオイ移りの心配のない殺菌装置の開発を実施した。このような安全性に重点を置いたPEF殺菌装置開発の試みは世界初である。本装置を用いることで加熱されていない新鮮な風味を維持した液状食品の生産が可能になる。また風味だけではなく熱により変質してしまう各種有用成分の維持も可能になることから、国民の健康増進につながる新たな液状食品の開発にも資することができると考えられる。

Report

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

    (3 results)

All 2018 2016

All Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] 炭素電極を用いた流通式PEF殺菌装置の開発と日本酒殺菌への応用2018

    • Author(s)
      谷野孝徳、松井雅義、廣澤充、茂木玲央、大島孝之
    • Organizer
      第42回青電気学会全国大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] HV-PEF sterilization using carbon electrode2016

    • Author(s)
      Takanori TANINO, Makoto HIROSAWA, Takayuki OHSHIMA
    • Organizer
      The 22nd Symposium of Young Asian Biological Engineer's Community
    • Place of Presentation
      Phenix Seagaia Resort, Miyazaki, Japan
    • Year and Date
      2016-10-27
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 高電圧パルス電界殺菌における炭素電極の利用2016

    • Author(s)
      大嶋孝之、谷野孝徳、廣澤充
    • Organizer
      日本食品工学会第17回(2016年度)年次大会
    • Place of Presentation
      東京海洋大学(品川キャンパス)
    • Year and Date
      2016-08-04
    • Related Report
      2016 Research-status Report

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

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