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. 2011 Feb;34(2):232-4.

[Studies on the chemical constituents from the leave of Paulownia tomentosa]

[Article in Chinese]
De-li Zhang  1 , Xiao-qiang Li
Affiliations
  • PMID: 21823481

[Studies on the chemical constituents from the leave of Paulownia tomentosa]

[Article in Chinese]
De-li Zhang et al. Zhong Yao Cai. 2011 Feb.

Abstract

Objective: To study the chemical constituents of the leave of Paulownia tomentosa.

Methods: The constituents were isolated by column chromatography and their structures were elucidated through spectroscopic analysis.

Results: The compounds were identified as apigenin(I), uteolin(II), homoeriodictyol(III), 3alpha-hydroxyurs-12-en-28-oic acid (IV),3beta,19alpha-dihydroxyurs-12en-28-oic acid (pomolic acid)(V),2alpha,3a-dihydroxyurs-12-en-28-oic acid(VI),ursolic acid (VII),2alpha,3beta-dihydroxyolean-12-en-28-oic acid (maslinic acid) (VIII), daucosterol(IX),beta-sitosterol(X).

Conclusion: The compound I-X are obtained from the leave of Paulownia tomentosa (Thunb.) Steud for the first time.

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