Separation methods for toxic components in Traditional Chinese Medicines

Area of Science:

• Pharmacology
• Analytical Chemistry
• Herbal Medicine

Background:

• Traditional Chinese medicines (TCMs) are globally recognized for therapeutic and health-promoting properties.
• TCMs are complex mixtures containing numerous chemical constituents, where synergistic effects determine efficacy.
• Potential toxicity of certain constituents in TCMs poses health risks, necessitating careful analysis.

Purpose of the Study:

• To comprehensively review analytical techniques for toxic components in TCMs.
• To summarize hyphenated procedures applied in the analysis of toxic TCM constituents.
• To highlight advancements in ensuring the safety of TCM formulations.

Main Methods:

• Review of chromatographic techniques (e.g., HPLC, GC) for TCM analysis.
• Review of electrophoretic techniques (e.g., CE) for TCM analysis.
• Summary of hyphenated techniques combining chromatography and electrophoresis.

Main Results:

• Various chromatographic and electrophoretic methods have been applied to analyze toxic components in TCMs.
• Hyphenated techniques offer enhanced separation and detection capabilities for complex TCM matrices.
• Recent decades show significant advancements in analytical methodologies for TCM safety assessment.

Conclusions:

• Chromatographic and electrophoretic techniques are crucial for identifying and quantifying toxic constituents in TCMs.
• Advanced analytical methods are essential for mitigating health risks associated with TCM consumption.
• Continued research in analytical techniques will improve the safety and reliability of TCMs worldwide.