Acta Botanica Sinica Volume 31 Issue 2, Pages .
Studies on the Chemical Constituents of Duzhong (The Bark of Eucommia ulmoides Oliv.)

Xu Jun-wen, Li Dong and Zhao Ping

Abstract:
Four constituents were isolated from the bark of Eucommia ulmoide; Oliv. Based on the physico-chemical constants, spectral analysis and properties of derivatives, they were identified as: liriodendrin (1), geniposidic acid (2), (+)-pinoresinol di-O--D-glucopyranoside (3), and daucosterol.

Keywords:
Eucommia ulmoides Oliv.; liriodendrin; geniposidic acid; (+)-pinoresinol di-O--D-glucopyranoside; daucosteol

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