| D50 | Median Particle Diameter |
| FC | Foaming Capacity |
| FVSI | Foam Volume Stability Index |
| PCA | Principal Component Analysis |
| QPI | Quinoa Protein Isolate |
| SDS-PAGE | Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis |
| Ho | Surface Hydrophobicity |
| TSI | Turbiscan Stability Index |