パルス電界による農産物由来ポリフェノール抽出のパルス幅依存性

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2013/02/01

タイトル(英語): Influence of Pulse Width on Polyphenol Extraction from Agricultural Products by Pulsed Electric Field

著者名: 中川　光（岩手大学工学部），畑山　仁（岩手大学工学部），高木　浩一（岩手大学工学部），小出　章二（岩手大学農学部），河村　幸男（岩手大学農学部）

著者名(英語): Akira Nakagawa (Faculty of Engineering, Iwate University), Hitoshi Hatayama (Faculty of Engineering, Iwate University), Koichi Takaki (Faculty of Engineering, Iwate University), Shoji Koide (Faculty of Agriculture, Iwate University), Yukio Kawamura (Faculty of Agriculture, Iwate University)

キーワード: パルス電界，食品加工，ポリフェノール，抽出，電気穿孔法　　pulsed electric field，food processing，polyphenol，extraction，electroporation

要約(英語): Effect of a pulsed electric field (PEF) on polyphenol extraction from grape skins in water was investigated experimentally. The grape skins were immersed in the distilled water between plate-to-plate electrodes in a rectangular shaped reactor. The pulsed voltage was generated by pulse forming network (PFN) to control a pulse width of the high-voltage applied to the plate electrode. The total polyphenol extracted from the grape skins was evaluated as gallic acid using the Folin-Ciocalteu method. The grape skins were observed by a microscopy to clarify the cell morphological change. The experimental results showed the polyphenol extraction from the grape skins was enhanced with increasing pulse width in the PEF treatment. The energy consumption required for the polyphenol extraction decreased with increasing pulse width of the applied voltage. A microscopic measurement clearly showed that many anthocyanoplasts in cells were collapsed and the red color pigments were extracted from anthocyanoplasts into the cell.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.133 No.2 （2013） 特集：パルスパワーの生体作用と医・農・水・環境への先進応用

本誌掲載ページ: 32-37 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/133/2/133_32/_article/-char/ja/