Applied Analytical Methods for Detecting Heavy Metals in Medicinal Plants

Area of Science:

• Analytical Chemistry
• Pharmacognosy
• Environmental Science

Background:

• Medicinal plants (MPs) are vital drug sources globally.
• Heavy metal pollution poses significant risks to MP quality and consumer health.
• Effective heavy metal detection in MPs is crucial for safety management.

Purpose of the Study:

• To systematically review and summarize analytical methods for detecting heavy metals in medicinal plants.
• To provide a comprehensive overview of established and emerging detection techniques.
• To compare and analyze the characteristics of various analytical methods.

Main Methods:

• Atomic absorption spectrometry (AAS)
• Atomic fluorescence spectrometry (AFS)
• Inductively coupled plasma mass spectrometry (ICP-MS)
• Inductively coupled plasma atomic emission spectrometry (ICP-AES)
• X-ray fluorescence spectrometry (XRF)
• Neutron activation analysis (NAA)
• Anodic stripping voltammetry (ASV)
• High-performance liquid chromatography (HPLC)
• Ultraviolet spectrophotometry (UV-Vis)
• Disposable electrochemical sensors

Main Results:

• Detailed introduction and summary of key analytical methods for heavy metal detection in MPs.
• Comparative analysis of the characteristics of different detection techniques.
• Inclusion of both traditional and advanced methods for comprehensive coverage.

Conclusions:

• Accurate and effective detection methods are essential for controlling heavy metal levels in medicinal plants.
• A systematic review of analytical techniques aids researchers in selecting appropriate methods.
• This work provides valuable information for ensuring the safety and quality of medicinal plants.