長門ユズキチ果実フラベド抽出物のクロロフィル分解ペルオキシダーゼにより生じたフラボノイド・ラジカルによるクロロフィル分解

• 山内 直樹

• 江口 國安

書誌事項

タイトル別名

• In Vitro Chlorophyll Degradation Involved in Flavonoid Radical Formed by Chlorophyll-degrading Peroxidase in Flavedo Extract of Citrus nagato-yuzukichi Fruit

抄録

Effects of flavonoid radical formed by a chlorophyll (Chl)-degrading peroxidase in the flavedo extract of the green sour citrus, Nagato-yuzukichi (Citrus nagato-yuzukichi hort. ex Y. Tanaka) fruit on in vitro Chl degradation were determined. Adding hydrogen peroxide accelerated the Chl breakdown by the flavedo extract which included flavonoids and a Chl-degrading peroxidase. During Chl degradation, naringin, hesperidin, and neohesperidin were rapidly oxidized, but only naringin was involved in Chl degradation by Chl-degrading peroxidase. This enzymatic degradation in the flavedo extract was suppressed by the addition of scavengers of radical and superoxide anions. The superoxide formed by a xanthine-xanthine oxidase system and a superoxide dismutase, however, had little effect on Chl degradation. MnCl₂, which is a superoxide anion scavenger, also inhibited the flavonoid oxidation. These findings indicate that the naringin radical formed by a Chl-degrading peroxidase in the flavedo could be related to Chl degradation.

収録刊行物

• 園芸学会雑誌

  園芸学会雑誌 71 (2), 243-248, 2002

  一般社団法人　園芸学会

キーワード

• chlorophyll-degrading peroxidase
• citrus
• flavonoid
• Nagato-yuzukichi
• radical

詳細情報

• CRID: 1390282681280992640
• NII論文ID: 110001816704
• NII書誌ID: AN00025257
• DOI: 10.2503/jjshs.71.243
• COI: 1:CAS:528:DC%2BD38Xjs1amsrY%3D
• ISSN: 1880358X
• ISSN: 00137626
• NDL書誌ID: 6108157
• Web Site: https://agriknowledge.affrc.go.jp/RN/2010642219
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I6108157
• Web Site: http://www.jstage.jst.go.jp/article/jjshs1925/71/2/71_2_243/_pdf
• Web Site: http://dl.ndl.go.jp/info:ndljp/pid/10470102
• 本文言語コード: en
• データソース種別:
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  • IRDB
  • NDL
  • Crossref
  • NDL-Digital
  • CiNii Articles
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