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Related Experiment Videos

Triterpenoid glycosides from Bacopa monnieri.

Chillara Sivaramakrishna1, Chirravuri V Rao, Golakoti Trimurtulu

  • 1Laila Impex Research Center, Unit I, Phase III, Jawahar Autonagar, Vijayawada 520 007, India.

Phytochemistry
|November 19, 2005
PubMed
Summary

Two new triterpenoid glycosides were identified in Bacopa monnieri, alongside 10 known saponins. The study also detailed the chemical makeup of bacosides A and B, contributing to phytochemistry knowledge.

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Area of Science:

  • Phytochemistry and Natural Products Chemistry
  • Pharmacognosy and Ethnobotany

Background:

  • Bacopa monnieri is a medicinal herb with a history of traditional use.
  • Saponins and triterpenoid glycosides are key bioactive compounds in Bacopa monnieri.

Purpose of the Study:

  • To isolate and elucidate the structures of novel compounds from Bacopa monnieri.
  • To characterize the chemical composition of known bacosides.

Main Methods:

  • High-resolution Nuclear Magnetic Resonance (NMR) spectroscopy for structural elucidation.
  • Chemical correlation techniques to confirm compound structures.
  • Isolation of compounds using chromatographic methods.

Main Results:

  • Two new triterpenoid glycosides, identified as 3-O-[beta-D-glucopyranosyl-(1-->3)-beta-D-glucopyranosyl] jujubogenin (1) and 3-O-[beta-D-glucopyranosyl-(1-->3)-beta-D-glucopyranosyl] pseudojujubogenin (2), were isolated.

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  • Ten known saponins were also identified in the extract.
  • The chemical compositions of bacosides A and B were delineated.

    • Conclusions:

    • The study successfully identified novel triterpenoid glycosides from Bacopa monnieri.
    • Structural elucidation provides valuable data for understanding the phytochemistry of Bacopa monnieri.
    • Delineation of bacosides A and B contributes to the standardization and quality control of Bacopa monnieri-based products.