Table 4.
Physicochemical properties of different proteins.
| Protein | Source | Composition | Molecular Weight |
|---|---|---|---|
| Gelatin | Collagen | 4-hydroxylysine, hydroxyproline, glycine, alanine, and proline |
15–250 KDa |
| Albumin | Plasma protein | Single polypeptide with 585 amino acids | 66 KDa |
| Whey protein |
Milk protein | α-lactoglobulin (LG), β-LG, lactalbumin, immunoglobulin, lactoferrin |
β-LG-18 KDa α-LG-14 KDa |
| Casein | Milk protein | Proline- α s1, α s2, β and k subunits | α s1-23 KDa α s2-25 KDa β-24 KDa k-19 KDa |
| Zein | Zea mays L. | High proportion of glutamine and proline | α-zein-22–24 KDa, β-zein-44 KDa, γ-zein-14 KDa |
| Gliadin | Wheat flour | Glutamine, Proline | 28–55 KDa |