Isolation and Structure Elucidation of Gymnemic Acids, Antisweet Principles of Gymnema sylvestre.

DOI Web Site PubMed 被引用文献4件 オープンアクセス

書誌事項

公開日
1992
資源種別
journal article
DOI
  • 10.1248/cpb.40.1366
公開者
公益社団法人 日本薬学会

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説明

The structure of gymnemagenin (3β, 16β, 21β, 22α, 23, 28-hexahydroxy-olean-12-ene), the sapogenin of the antisweet principles of Gymnema sylvestre, was established by X-ray analysis of the 3β, 23;21β, 22α-di-O-isopropylidene derivative. On the basis of this result, the structure of deacylgymnemic acid was elucidated as the 3-O-β-glucuronide from the carbon-13 nuclear magnetic resonance spectra.Five antisweet principles, gymnemic acid-III, -IV, -V, -VIII, and -IX, were isolated in pure states from the hot water extract of leaves of Gymnema sylvestre. Of these, three (GA-III, -IV, and -V) were known, while two (GA-VIII and -IX) were new compounds. The structures of GA-VIII and -IX were elucidated as 3'-O-β-D-arabino-2-hexulopyranosyl gymnemic acid-III and -IV, respectively.

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詳細情報 詳細情報について

  • CRID
    1390282679135036032
  • NII論文ID
    130003772657
  • DOI
    10.1248/cpb.40.1366
  • COI
    1:CAS:528:DyaK38XlvVyhtrc%3D
  • ISSN
    13475223
    00092363
    http://id.crossref.org/issn/00092363
    https://id.crossref.org/issn/00092363
  • PubMed
    1327559
  • Web Site
    http://www.jstage.jst.go.jp/article/cpb1958/40/6/40_6_1366/_pdf
  • 本文言語コード
    en
  • 資料種別
    journal article
  • データソース種別
    • JaLC
    • Crossref
    • PubMed
    • CiNii Articles
    • OpenAIRE
  • 抄録ライセンスフラグ
    使用不可

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