Chemical Evaluation of Betula Species in Japan. I. Constituents of Betula ermanii

• 渕野 裕之

  Faculty of Pharmaceutical Sciences, Science University of Tokyo

• 佐藤 徹也

  Faculty of Pharmaceutical Sciences, Science University of Tokyo

• 田中 信壽

  Faculty of Pharmaceutical Sciences, Science University of Tokyo

抄録

The constituents of Betula ermanii CHAM. in Japan were identified as follws. Fresh leaves : 20(S), 24(R)-epoxydammmaran-3β, 11α, 25-triol (1), 3-O-β-D-glucopyranoside of 1 (2), 2'-acetate of 2 (3), 11,2'-diacetate of 2 (4), dammar-24-en-3β-, 11α-20(S)-triol (5), 3-O-β-D-2-O-acetylglucopyranoside of 5 (6). Outer bark : betulin (7), betulin 3-caffeate (8), oleanolic acid (9). Inner bark : (+)-lyoniresinol 3α-O-α-L-rhamnopyranoside (10), (-)-lyoniresinol 3α-O-β-D-xylopyranoside (11), 9,9'di-O-feruloyl-(-)-secoisolariciresinol (12), acerogenin E (13), 3,4,5-trimethoxyphenol β-D-apiofuranosyl(1→6)-β-D-glucopyranoside (14), 4-(4-hydroxyphenyl)-2-butanol 2-O-β-D-apiofuranosyl-(1→6)-β-D-glucopyranoside (15), (+)-catechine 7-O-β-D-xylopyranoside (16), lupeol (17), monogynol A (18). Root outer bark : lupeol caffeate (19), betulin 3-caffeate (8), oleanolic acid caffeate (20), dammarendiol II 3-caffeate (21). Compounds 2,3,4,6,19 and 21 are new.

収録刊行物

• Chemical & pharmaceutical bulletin

  Chemical & pharmaceutical bulletin 43 (11), 1937-1942, 1995-11-15

  公益社団法人日本薬学会

キーワード

• Betula ermanii
• dammarane glucoside
• lignan
• triterpene
• phenolics
• caffeoyl ester

詳細情報

• CRID: 1571417127324864000
• NII論文ID: 110003631373
• NII書誌ID: AA00602100
• ISSN: 00092363
• 本文言語コード: en
• データソース種別:
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