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Alkaloids from Portulaca oleracea L.

Lan Xiang1, Dongming Xing, Wei Wang

  • 1Department of Biological Science and Biotechnology, Laboratory of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China.

Phytochemistry
|October 6, 2005
PubMed
Summary

Five new alkaloids, oleraceins A-E, were isolated from Portulaca oleracea L. Their chemical structures were elucidated using spectroscopic analysis, expanding our knowledge of this plant

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Area of Science:

  • Phytochemistry
  • Natural Product Chemistry
  • Organic Chemistry

Background:

  • Portulaca oleracea L. (common purslane) is a widely distributed plant with a history of traditional medicinal use.
  • The chemical constituents of P. oleracea are of interest due to their potential biological activities.

Purpose of the Study:

  • To isolate and characterize novel alkaloid compounds from Portulaca oleracea L.
  • To elucidate the chemical structures of these isolated alkaloids.

Main Methods:

  • Phytochemical investigation involving extraction and isolation techniques.
  • Structure determination using comprehensive spectroscopic methods (e.g., NMR, Mass Spectrometry).

Main Results:

  • Five distinct alkaloids, designated oleraceins A, B, C, D, and E, were successfully isolated.

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  • The chemical structures were rigorously determined, revealing complex indole and isoquinoline derivatives.

    • Conclusions:

    • The study successfully identified and characterized five new alkaloids from Portulaca oleracea L.
    • These findings contribute to the phytochemical understanding of P. oleracea and provide a basis for further pharmacological research.