Saponin Molecules from Quinoa Residues: Exploring Their Surfactant, Emulsifying, and Detergent Properties.

Publisher: MDPI Country of Publication: Switzerland NLM ID: 100964009 Publication Model: Electronic Cited Medium: Internet ISSN: 1420-3049 (Electronic) Linking ISSN: 14203049 NLM ISO Abbreviation: Molecules Subsets: MEDLINE

Original Publication: Basel, Switzerland : MDPI, c1995-

Chenopodium quinoa*/chemistry ; Saponins*/chemistry ; Surface-Active Agents*/chemistry ; Detergents*/chemistry ; Surface Tension*; Temperature ; Hydrogen-Ion Concentration ; Plant Extracts/chemistry ; Micelles ; Emulsions/chemistry

The indiscriminate use of synthetic surfactants, despite their desirable properties, poses significant environmental risks to ecosystems. This study explores saponins extracted from quinoa ( Chenopodium quinoa ) residues as a sustainable alternative. Saponin extract (SE) with 42% purity, obtained through hydrodynamic cavitation and membrane technology, was analyzed to determine its techno-functional properties. The critical micelle concentration (CMC) was 1.2 g/L, reducing the surface tension (ST) from 72.0 mN/m to 50.0 mN/m. The effects of temperature (30-90 °C), pH (2-12), and salinity (10,000-150,000 ppm NaCl) on ST and the emulsification index (EI) were assessed using a Box-Behnken design. Optimized conditions yielded an ST of 49.02 mN/m and an EI of 63%. Given these characteristics, SE was evaluated as a detergent across diverse swatches. This study showcases the attributes of quinoa-derived saponins, highlighting their potential for eco-friendly detergent applications.

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PE501086190-2024 PROCIENCIA - PERU

Keywords: Chenopodium quinoa; circular economy; saponin; surfactant properties

0 (Saponins)
0 (Surface-Active Agents)
0 (Detergents)
0 (Plant Extracts)
0 (Micelles)
0 (Emulsions)

Date Created: 20241026 Date Completed: 20241026 Latest Revision: 20241028

20250114

PMC11510682

10.3390/molecules29204928

39459296