ESR Characterization of Irradiated Peony Root, A Medicinal Plant Containing Crystalline Sugars

• YAMAOKI Rumi

  Osaka University of Pharmaceutical Sciences

• KIMURA Shojiro

  Osaka University of Pharmaceutical Sciences

• OHTA Masatoshi

  Niigata University

抄録

The ESR spectral property of irradiated peony root was studied during development of a system for detection of irradiated medicinal plants containing crystalline sugars. The plant had a weak ESR signal near g＝2.005 before electron beam-irradiation. After 10kGy irradiation, the line shape became broader and cellulose-like signal:a pair of lines at 6mT across the center signal near g＝2.005 and sugar-like spectrum:a broader line with more than 6mT of overall spectrum width, was observed. The ESR intensity decreased considerably at 30 days post-irradiation and was stable thereafter. The stable ESR line shape of irradiated peony root resembled that of irradiated sucrose, and the intensity 30 days post-irradiation increased linearly as a function of sucrose content. This result shows that the radical concentration correlation to sucrose content in irradiated plant material is predictable.

収録刊行物

• ＲＡＤＩＯＩＳＯＴＯＰＥＳ

  ＲＡＤＩＯＩＳＯＴＯＰＥＳ 62 (9), 631-637, 2013

  公益社団法人 日本アイソトープ協会

キーワード

• ESR
• irradiation, peony root
• radiation-induced radical
• sucrose

詳細情報

• CRID: 1390282679133901696
• NII論文ID: 10031194100
• NII書誌ID: AN00351589
• DOI: 10.3769/radioisotopes.62.631
• COI: 1:CAS:528:DC%2BC3sXhvVagurvF
• ISSN: 18844111
• ISSN: 00338303
• NDL書誌ID: 024900961
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I024900961
• Web Site: https://www.jstage.jst.go.jp/article/radioisotopes/62/9/62_631/_pdf
• Web Site: https://search.jamas.or.jp/link/ui/2014164422
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可