天然ナノ分子タンニン : その構造と機能 Naturaly Occurring Nanomolecules, Tannins : Their Structures and Functions

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Large-size secondary metabolites with dimeric-oligomeric and/or dendrine-type structure from higher plants are regarded as natural nanomolecules which are constructed in a bottom-up pathway from small molecules under biological condition. Among them are polyphenols classified as tannins which have large molecular weights ranging from 500 to 4000, and strong affinity to proteins, alkaloids and heavy metals to form complex molecules (precipitates). They constitute two major groups : one is condensed tannins (proantocyanidins), which are composed of flavan-3-ol units linked through C-C bond, and the other is hydrolyzable tannins, which are principally multiple esters of D-glucose with gallic acid and its oxidative metabolites. This paper reviews the diverse structural characteristics of both tannins, especially ellagitannin oligomers up to pentamers, and examples of their biological activities. Formation of insoluble and soluble complex between tannins and proteins are also described.

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  • 有機合成化学協会誌 : JOURNAL OF Synthetic Organic Chemistry JAPAN

    有機合成化学協会誌 : JOURNAL OF Synthetic Organic Chemistry JAPAN 62(5), 500-507, 2004-05-01

    The Society of Synthetic Organic Chemistry, Japan

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各種コード

  • NII論文ID(NAID)
    10012930138
  • NII書誌ID(NCID)
    AN0024521X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00379980
  • NDL 記事登録ID
    6946127
  • NDL 雑誌分類
    ZP11(科学技術--化学・化学工業--有機化学・有機化学工業)
  • NDL 請求記号
    Z17-256
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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