The Commercialization of Fruit Juice Production by using High Electric Field AC Sterilization Technology

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  • INOUE Takashi
    Food technology Laboratories for Value Creation, SAPPORO HOLDINGS LTD.
  • OSAWA Naoki
    Research and Development Division, POKKASAPPORO Food & Beverage Ltd.
  • NISHIKAWA Hidetsugu
    Nagoya factory SCM Division, POKKASAPPORO Food & Beverage Ltd.

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  • 果汁製造ラインへの交流高電界殺菌技術の実用化
  • 2018年度日本食品工学会技術賞 果汁製造ラインへの交流高電界殺菌技術の実用化
  • 2018ネンド ニホン ショクヒン コウガッカイ ギジュツショウ カジュウ セイゾウ ライン エ ノ コウリュウ コウデンカイ サッキン ギジュツ ノ ジツヨウカ

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Abstract

<p>High Electric Field alternating current (HEF-AC) is an instantaneous microbial inactivating treatment based on two electrical effects: own-generated Joule heat by electric current flowed into food, and cell membrane injuries caused by applied electric field. We investigated the sterilization mechanism of HEF-AC, developed of electrode suitable for food and performed durability test by scale-up equipment. In 2014, HEF-AC sterilizer capable of processing 5,000L per hour was put into practical use in a fruit juice production line. In Pokka Lemon 100 manufactured with this technology, the change of color and the generation of heat odor were suppressed. Furthermore this technology has been applied to milk production since 2016.</p>

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