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Phytochemical analysis : PCA·2018

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Optimization of Processing of Tiebangchui with Highland Barley Wine Based on the Box-Behnken Design Combined with the Entropy Method
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Development, optimisation and validation of a stability-indicating HPLC method of achyrobichalcone quantification

Juliana P Carini1, Samuel Kaiser, George G Ortega

  • 1Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, 90610-000 Porto Alegre, RS, Brazil. julianacarini@yahoo.com.br

Phytochemical Analysis : PCA
|September 19, 2012
PubMed
Summary

A new HPLC method quantifies achyrobichalcone, a potential anti-cancer biflavonoid. The validated method assesses quality and reveals achyrobichalcone is stable except in alkaline conditions.

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Untargeted Metabolomics from Biological Sources Using Ultraperformance Liquid Chromatography-High Resolution Mass Spectrometry (UPLC-HRMS)

Published on: May 20, 2013

Area of Science:

  • Analytical Chemistry
  • Natural Product Chemistry

Background:

  • Achyrobichalcone, a novel biflavonoid from Achyrocline satureioides, shows structural similarity to known anti-cancer bichalcones.
  • Isolation of achyrobichalcone batches necessitates robust analytical methods for quality assessment and stability evaluation.

Purpose of the Study:

  • Develop and validate a stability-indicating High-Performance Liquid Chromatography (HPLC) method for accurate achyrobichalcone quantification.
  • Utilize experimental designs for method optimization and validation.

Main Methods:

  • Method development and optimization employed Box-Behnken design, varying column temperature, flow rate, and acetonitrile content.
  • Validation followed official compendiums, with robustness assessed via Plackett-Burman design.
  • Stability studies involved alkaline, acid, oxidative, thermal, and photolytic stress conditions.

Main Results:

  • Optimized conditions: 37% acetonitrile, 1.2 mL/min flow rate, 33°C column temperature.
  • The HPLC method demonstrated linearity, specificity, accuracy, and precision.
  • Achyrobichalcone proved unstable solely under alkaline stress conditions.

Conclusions:

  • A validated stability-indicating HPLC method enables reliable quality evaluation of isolated achyrobichalcone.
  • The study provides critical insights into the stability profile of achyrobichalcone under diverse stress factors.