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Saponin Molecules from Quinoa Residues: Exploring Their Surfactant, Emulsifying, and Detergent Properties
Kiara A García Bustos1, Salvador Sanchez Muñoz2, Silvio S da Silva2
1Laboratorio de Bioprocesos, Facultad de Ciencias Farmacéuticas, Bioquímicas y Biotecnológicas, Universidad Católica de Santa María-UCSM, Urb. San José s/n-Umacollo, Arequipa 04000, Peru.
Molecules (Basel, Switzerland)
|October 26, 2024
Summary
Quinoa saponin extract offers a sustainable alternative to synthetic surfactants. This eco-friendly detergent shows promising techno-functional properties for various applications.
Area of Science:
- Green Chemistry
- Biomaterials Science
- Surface Chemistry
Background:
- Synthetic surfactants pose environmental risks.
- Saponins from quinoa residues present a sustainable alternative.
- Quinoa saponin extract (SE) offers potential eco-friendly applications.
Purpose of the Study:
- To investigate quinoa-derived saponins as sustainable surfactants.
- To analyze the techno-functional properties of SE.
- To evaluate SE as an eco-friendly detergent.
Main Methods:
- Saponin extraction using hydrodynamic cavitation and membrane technology.
- Determination of critical micelle concentration (CMC) and surface tension (ST).
- Box-Behnken design to optimize SE performance under varying temperature, pH, and salinity.
Main Results:
- SE achieved 42% purity with a CMC of 1.2 g/L, reducing ST from 72.0 to 50.0 mN/m.
- Optimized conditions resulted in ST of 49.02 mN/m and emulsification index (EI) of 63%.
- SE demonstrated effective detergent properties on diverse swatches.
Conclusions:
- Quinoa-derived saponins possess significant potential as eco-friendly surfactants.
- SE exhibits favorable techno-functional properties for detergent formulations.
- This research supports the use of agricultural residues for sustainable chemical production.
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