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Volume 14, Issue 16
  • ISSN: 1385-2728
  • E-ISSN: 1875-5348

Abstract

Natural products have served as major sources of drugs for centuries, and about half of the pharmaceuticals in use today are derived from natural products. Therefore, screening and analysis of the bioactive components in medicinal plants are now indispensable for the discovery of new drugs and quality control of plant pharmaceuticals. Sample preparation is essential for isolating desired components from complex matrices and greatly influences the reliable and accurate analysis of plant-derived medicines. This review will summarize current trends in sample preparation techniques for the analysis of plant-derived medicines, focusing primarily on newly developed techniques, such as ultrasonic extraction (USE), microwave-assisted extraction (MAE), pressurized-liquid extraction (PLE), supercritical- fluid extraction (SFE), solid-phase extraction (SPE), solid-phase microextraction (SPME), and liquid-phase microextraction (LPME). The general characteristics and applications of each method in the analysis of plant-derived medicines are described.

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/content/journals/coc/10.2174/138527210792927627
2010-10-01
2025-06-04

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  • Article Type:     Research Article
Keyword(s): antioxidant properties; bioactive components; capillary electrophoresis (CE); CO2-based fluids; evaporative light scattering (ELS) spectrometry; finger print analysis (FA); fluorescence (FL) spectrometry; freeze-dried; gas chromatography (GC); High-performance liquid chromatography (HPLC); high-speed countercurrent chromatography (HSCCC); liquid-liquid extraction (LLE) microwave distillation (MD); Liquid-phase microextraction; liquid-phase microextraction (LPME); mass spectrometry (MS); matrix solid-phase dispersion (MSPD); Matrix solid-phase dispersion (MSPD); Medicinal plants; Microwave-assisted extraction; microwave-assisted extraction (MAE); nuclear magnetic resonance (NMR); Optimal solid-liquid extraction (SLE); plant-derived medicines; pressurized hot water extraction (PHWE); Pressurized-liquid extraction; pressurized-liquid extraction (PLE); Solid-phase extraction; solid-phase extraction (SPE); Solid-phase microextraction; solid-phase microextraction (SPME); Soxhlet extraction; supercritical fluid chromatography (SFC); Supercritical-fluid extraction; supercritical-fluid extraction (SFE); superheated water extraction (SWE); tandem mass spectrometry (MS-MS); Traditional Chinese medicines; ultrasonic extraction (USE); ultrasound-assisted extraction (UAE); ultraviolet (UV) spectrometry

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