Saponin and Sapogenol. V. Sapogenol Constituents of Seeds of Camellia sasanqua THUNB. and Leaves of Ternstroemia japonica THUNB.

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概要

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• The sapogenol constituents of two Theaceous plant materials : seeds of Camellia sasanqua THUNB. and leaves of Ternstroemia japonica THUNB., have been examined in connection with the previous investigation on tea seeds sapogenols. In addition to eight known oleanane triterpenoids : dihydropriverogenin A (II), camelliagenin B (III), A_1-barrigenol (IV), camelliagenin C (V), barringtogenol C (VI), camelliagenin D (VII), theasapogenol E (VIII), and theasapogenol A (IX), a new sapogenol designated as 22α-hydroxy-erythrodiol (I) has been isolated from the former seeds while oleanolic acid, primulagenin A (XIV), dihydropriverogenin A, and A_1-barrigenol have been obtained from the latter leaves. Isolation of primulagenin A from the Theaceous plant material seems to be unprecedented.

• 公益社団法人日本薬学会の論文
• 1972-06-25

著者

• 吉岡 一郎

  Faculty Of Pharmaceutical Sciences Osaka University

• 北川 勲

  Faculty of Pharmaceutical Sciences, Osaka University

• 松田 明子

  Faculty Of Pharmaceutical Sciences Osaka University

• 北川 勲

  Faculty Of Pharmaceutical Sciences Osaka University

• 武田 礼二

  (財)サントリー生有研

• 武田 礼二

  Faculty of Pharmaceutical Sciences, Osaka University

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