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[Studies on constitutes from Taraxacum mongolicum].

Wei Yao1, Wen-Yan Lin, Chang-Xin Zhou

  • 1Zhejiang Chem-Tech Group Co., Ltd., Hangzhou 310023, China.

Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica
|July 28, 2007
PubMed
Summary

This study identified eight chemical compounds from Taraxacum mongolicum, including three novel compounds for the genus and species. Spectroscopic methods confirmed their structures, correcting previous data for esculetin.

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Area of Science:

  • Phytochemistry
  • Natural Product Chemistry
  • Organic Chemistry

Context:

  • Taraxacum mongolicum is a plant with a history of traditional use.
  • Understanding its chemical composition is crucial for pharmacological research.
  • Previous studies have identified some constituents, but a comprehensive analysis is ongoing.

Purpose:

  • To isolate and identify the chemical constituents of Taraxacum mongolicum.
  • To characterize novel compounds and correct existing spectral data.
  • To contribute to the chemotaxonomic understanding of the Taraxacum genus.

Summary:

  • Eight compounds were isolated and identified: artemetin, quercetin, luteolin, luteolin-7-O-beta-D-glucopyranoside, caffeic acid, esculetin, stigmasterol, and taraxasteryl acetate.

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  • Artemetin is reported from this genus for the first time.
  • Esculetin and taraxasteryl acetate are reported from this species for the first time, with corrected 13C NMR data for esculetin.
  • Structure elucidation was performed using mass spectrometry (MS), 1H-NMR, 13C-NMR, and 2D-NMR techniques.

    • Impact:

    • Provides a detailed chemical profile of Taraxacum mongolicum.
    • Identifies potentially bioactive compounds for further investigation.
    • Corrects and refines existing spectroscopic data, aiding future research.
    • Contributes to the knowledge base of plant secondary metabolites.