A review of modern sample-preparation techniques for the extraction and analysis of medicinal plants

Carmen W K HUIE*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

406 Citations (Scopus)

Abstract

Sample preparation is the crucial first step in the analysis of herbs. In recent years there has been increasing interest worldwide in the use of alternative/herbal medicine for the prevention and treatment of various illnesses. Currently, however, quality-related problems (lack of consistency, safety, and efficacy) seem to be overshadowing the potential genuine health benefits of various herbal products. Thus, the development of "modern" sample-preparation techniques with significant advantages over conventional methods for the extraction and analysis of medicinal plants is likely to play an important role in the overall effort of ensuring and providing high-quality herbal products to consumers worldwide. In this article, recent developments and applications of modern sample-preparation techniques for the extraction, clean-up, and concentration of analytes from medicinal plants or herbal materials are reviewed. These modern techniques include solid-phase microextraction, supercritical-fluid extraction, pressurized-liquid extraction, microwave-assisted extraction, solid-phase extraction, and surfactant-mediated extraction.

Original languageEnglish
Pages (from-to)23-30
Number of pages8
JournalAnalytical and Bioanalytical Chemistry
Volume373
Issue number1-2
DOIs
Publication statusPublished - 2002

Scopus Subject Areas

  • Analytical Chemistry
  • Biochemistry

User-Defined Keywords

  • Extraction
  • Herbs
  • Medicinal plants
  • Quality control
  • Sample preparation

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