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Optimization of Seed Oil Extraction from Asphodelus tenuifolius Cav. Using Response Surface Methodology
Fatima Ezzahra Eddaoudi1, Chakir El Guezzane1, Hamza El Moudden2
1Laboratory of Materials, Nanotechnology and Environment, Faculty of Science, Mohammed V University of Rabat, Rabat BP 1014, Morocco.
Plants (Basel, Switzerland)
|August 14, 2025
Summary
This study optimized oil extraction from Asphodelus tenuifolius seeds using n-hexane and ethyl acetate, achieving high yields of unsaturated fatty acids suitable for various industries.
Area of Science:
- Agricultural Chemistry
- Organic Chemistry
- Chemical Engineering
Background:
- Asphodelus tenuifolius Cav. seeds are a potential source of valuable oils.
- Optimization of oil extraction is crucial for industrial applications.
Purpose of the Study:
- To optimize the Soxhlet extraction of oil from Asphodelus tenuifolius Cav. seeds.
- To analyze the physicochemical properties and fatty acid composition of the extracted oil.
- To evaluate the potential of the extracted oil for food, cosmetic, and biodiesel applications.
Main Methods:
- Soxhlet extraction technique.
- Central Composite Design (CCD) and Response Surface Methodology (RSM) for optimization.
- Analysis of physicochemical properties, fatty acid composition (using FTIR spectroscopy), and functional groups.
Main Results:
- Optimized conditions yielded 22% oil with n-hexane and 19.91% with ethyl acetate.
- Extracted oil is rich in unsaturated fatty acids, primarily linoleic acid.
- FTIR spectroscopy confirmed ester groups, indicating suitability for biodiesel.
Conclusions:
- The study successfully optimized oil extraction from Asphodelus tenuifolius Cav. seeds.
- The extracted oil possesses desirable properties for food, cosmetic, and renewable energy sectors.
- Findings support the sustainable utilization of plant-derived oils for industrial purposes.
