| HC | Hydrolysed collagen |
| SDS-PAGE | Sodium dodecyl sulphate polyacrylamide gel Electrophoresis |
| Mw | Molecular weight |
| FTIR | Fourier transform-infrared spectroscopy |
| DSC | Differential scanning calorimetry |
| DPPH | 2,2-diphenyl-1-picrylhydrazyl |
| ABTS | 2,2′-azino-bis, 3-ethylbenzothiazoline-6-sulphonic acid |
| ANOVA | Analysis of variance |
| SEM | Scanning electron microscopy |