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Related Experiment Video

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Improved identification of phytocannabinoids using a dedicated structure-based workflow.

Carmela Maria Montone1, Andrea Cerrato1, Bruno Botta2

  • 1Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy.

Talanta
|September 5, 2020
PubMed
Summary
This summary is machine-generated.

This study introduces a new high-resolution mass spectrometry method for identifying numerous phytocannabinoids in Cannabis sativa. The approach successfully identified 121 compounds, including novel ones, advancing our understanding of cannabis constituents.

Keywords:
Cannabis sativaCompound discovererHigh-resolution mass spectrometryPhytocannabinoidsUntargeted analysis

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Area of Science:

  • Pharmacology
  • Analytical Chemistry
  • Natural Product Chemistry

Background:

  • Phytocannabinoids, compounds from Cannabis sativa, are extensively studied for their pharmaceutical potential, with focus on major compounds like THC and CBD.
  • Recent research highlights the significance of minor phytocannabinoids, yet comprehensive analysis remains challenging.
  • Understanding the full spectrum of phytocannabinoids is crucial for exploring cannabis's therapeutic applications.

Purpose of the Study:

  • To develop an innovative, untargeted strategy for comprehensive phytocannabinoid identification.
  • To enable discrimination of isomeric phytocannabinoids using high-resolution mass spectrometry.
  • To create a robust data analysis tool for validating phytocannabinoid tandem mass spectra.

Main Methods:

  • Utilized high-resolution mass spectrometry in negative ion mode for phytocannabinoid analysis.
  • Developed an extensive database of phytocannabinoid derivatives for spectral validation.
  • Implemented the method on Compound Discoverer software for data analysis.
  • Applied the method to extracts of Italian FM-2 medicinal cannabis.

Main Results:

  • Successfully identified a record 121 phytocannabinoids in a single analysis of medicinal cannabis extract.
  • The negative ion mode mass spectrometry approach effectively distinguished various isomeric phytocannabinoids.
  • Tentatively identified numerous known and novel unconventional phytocannabinoids, expanding the known phytocannabinoid profile.

Conclusions:

  • The developed method offers a powerful strategy for comprehensive phytocannabinoid profiling.
  • This research significantly advances the identification capabilities for both major and minor cannabis constituents.
  • The findings contribute to a deeper understanding of the complex phytochemistry of Cannabis sativa and its potential applications.