| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○学究種別 (推奨): |
| ○組織 (推奨): |
| ○著者 (必須): | 1. | (英) Yesilada Erdem (日) (読)
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| 2. | 土屋 浩一郎 ([徳島大学.大学院医歯薬学研究部.薬学域.薬科学部門.生命薬学系.医薬品機能生化学]/[徳島大学.医学部.医学科.病態情報医学講座])
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| 3. | 高石 喜久 ([徳島大学.デザイン型AI教育研究センター])
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| 4. | 川添 和義
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| ○題名 (必須): | □ | (英) Isolation and characterization of free radical scavenging flavonoid glycosides from the flowers of Spartium junceum by activity-guided fractionation (日)
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| ○要約 (任意): | □ | (英) Spartium junceum L. (Fabaceae) flowers are used for the treatment of peptic ulcers in Turkish folk medicine. The possible superoxide dismutase-like activity of the extracts, fractions and constituents obtained through activity-guided fractionation were studied by using in vitro electron spin resonance spectrometry, in order to explain the role of antioxidant principles in the potent antiulcerogenic activity of the extract. Despite the fact that the triterpene, spartitrioside, which was previously reported as the active antiulcerogenic constituent of the flowers was found almost inactive, the flavonoid-rich fractions showed potent antioxidant activity. Five flavonoid glycosides bearing catechol structure in ring B were isolated from the butanol extract and their structures were elucidated using 1H- and 13C-NMR techniques as isoquercitrin (quercetin 3beta-glucoside) (1,); luteolin 4'beta-glucoside (2); quercetin 3, 4'-diglucoside (3); azaleatin 3beta-glucoside (quercetin 5-methylether 3beta-glucoside) (4), quercetin 4'beta-glucoside (5). Flavonoids (2) and (4) showed the highest in vitro antioxidant activity with 22.59 and 19.08 U/ml, respectively. (日)
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| ○キーワード (推奨): | 1. | (英) Electron spin resonance (日) (読)
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| 2. | (英) Spartium junceum (日) (読)
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| 3. | (英) Antioxidant activity (日) (読)
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| 4. | (英) Superoxide dismutase-like activity (日) (読)
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| 5. | (英) Spin trapping (日) (読)
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| 6. | (英) Superoxide radical (日) (読)
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| ○発行所 (推奨): | □ | (英) Elsevier Science Ireland Ltd. (日) (読)
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| ○誌名 (必須): | □ | Journal of Ethnopharmacology ([Elsevier Science])
(pISSN: 0378-8741, eISSN: 1872-7573)
| ○ISSN (任意): | □ | 0378-8741
ISSN: 0378-8741
(pISSN: 0378-8741, eISSN: 1872-7573) Title: Journal of ethnopharmacologyTitle(ISO): J EthnopharmacolPublisher: Elsevier Ireland Ltd (NLM Catalog)
(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 73
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| ○号 (必須): | □ | 3
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| ○頁 (必須): | □ | 471 478
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| ○年月日 (必須): | □ | 西暦 2000年 12月 初日 (平成 12年 12月 初日)
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| ○URL (任意): | □ | http://dx.doi.org/10.1016/S0378-8741(00)00327-5
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| ○DOI (任意): | □ | 10.1016/S0378-8741(00)00327-5 (→Scopusで検索)
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| ○PMID (任意): | □ | 11091001 (→Scopusで検索)
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| ○備考 (任意): | 1. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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| 2. | (英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't (日)
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