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Update on solid-phase extraction for the analysis of lipid classes and related compounds
V Ruiz-Gutiérrez1, M C Pérez-Camino
1Instituto de la Grasa (CSIC), Avda. Padre García Tejero, Seville, Spain. valruiz@cica.es
Journal of Chromatography. A
|August 15, 2000
Summary
This review details solid-phase extraction (SPE) methods for separating lipid components in foods and biological samples. It covers techniques for isolating non-polar and polar lipids, crucial for further quantitative analysis.
Area of Science:
- Analytical Chemistry
- Lipidomics
- Food Science
Background:
- Lipid component separation is essential for analyzing complex biological and food matrices.
- Solid-phase extraction (SPE) offers versatile techniques for lipid isolation.
- Existing methods require systematic review for diverse applications.
Purpose of the Study:
- To review and present methodologies for lipid separation using solid-phase extraction (SPE).
- To organize and categorize SPE techniques based on sample type and lipid polarity.
- To highlight the importance of SPE in preparing samples for further quantitative analysis.
Main Methods:
- Comprehensive literature review of SPE procedures for lipid analysis.
- Categorization of methods based on sample matrices: edible fats/oils, fatty foods, and biological samples.
- Analysis of chromatographic supports and solvent systems used in SPE.
Main Results:
- Detailed presentation of analytical systematics for lipid separation.
- Emphasis on methods separating non-polar and polar lipids.
- Identification of SPE techniques suitable for specific lipid components or reduced lipid groups.
Conclusions:
- SPE is a powerful tool for lipid component separation across various matrices.
- Systematic approaches enhance the efficiency and specificity of lipid analysis.
- SPE facilitates subsequent quantitative analysis of isolated lipid fractions.