| Source | Protein name | Molecular mass | Reference |
|---|---|---|---|
| Egg | Ovalbumin | 45 | |
| Ovine transferrin | 76 | ||
| Egg-like mucin | 28 | ||
| Egg Inhibitor | 49 | ||
| Milk | αs1-casein | 23.615 | |
| αs2-casein | 25.226 | ||
| β-casein | 18–24 | ||
| k-casein | 19–20 | ||
| Whey proteins | 18–22 | ||
| Meat products | Collagen | 200–300 | |
| Myosin | 51 | ||
| Actomyosin | 42–48 | ||
| Myoglobin | 17.87 | ||
| Tropomyosin | 2×35 |