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Related Experiment Video

Updated: Jun 25, 2026

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale
08:56

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale

Published on: August 16, 2018

Two triterpenes from Lysimachia foenum-graecum.

Xiang-Ri Li1, Zhi-Meng Li, Shu-Shan Du

  • 1School of Chinese Pharmacy, Beijing University of Traditional Chinese Medicine, Beijing, China. lixiangri@sina.com

Journal of Asian Natural Products Research
|February 17, 2009
PubMed
Summary
This summary is machine-generated.

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Researchers isolated a new triterpene saponin, lysimachiagenoside A, and a known compound from Lysimachia foenum-graecum. These natural products were identified using advanced nuclear magnetic resonance (NMR) techniques and chemical analysis.

Area of Science:

  • Natural Product Chemistry
  • Phytochemistry
  • Organic Chemistry

Background:

  • Lysimachia foenum-graecum is a plant species with potential medicinal properties.
  • Triterpene saponins are a class of natural compounds known for diverse biological activities.

Purpose of the Study:

  • To isolate and characterize chemical constituents from the aerial parts of Lysimachia foenum-graecum.
  • To identify novel natural products and known compounds from this plant source.

Main Methods:

  • Isolation of compounds using chromatographic techniques.
  • Structure elucidation employing 1D and 2D Nuclear Magnetic Resonance (NMR) spectroscopy (1H-1H COSY, HMQC, HMBC, TOCSY, ROESY).
  • Confirmation of structures through chemical methods.

Related Experiment Videos

Last Updated: Jun 25, 2026

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale
08:56

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale

Published on: August 16, 2018

Main Results:

  • One new oleane-type triterpene saponin, named lysimachiagenoside A, was isolated.
  • The known compound 21-O-angeloylbarringtogenol C was also isolated and identified as a new natural product.
  • The structures of both compounds were confirmed using comprehensive spectroscopic and chemical analyses.

Conclusions:

  • The chemical investigation of Lysimachia foenum-graecum yielded a new triterpene saponin and a known compound.
  • Advanced NMR techniques are crucial for the structural determination of complex natural products.
  • This study contributes to the understanding of the phytochemical profile of Lysimachia foenum-graecum.