Table 1 The composition and solubility of oil-seed and whey proteins.
Protein | MW (kDa) | Content (% of total protein) | Structure | Solubility in water | Reference | |
|---|---|---|---|---|---|---|
Hemp seed | Edestin (11 S globulin) | 310 | 60–80 | 6 subunits, each subunit contains 2 polypeptides (35 and 20 kDa) | - | [27] |
2 S albumin | 14–15 | 13 | + | |||
7 S Vicilin-like protein | 47 | 5 | poor | |||
Canola (rape) seed | Cruciferin (11 S globulin) | 300 | 60 | 6 subunits, each subunit contains 2 polypeptides (40 and 20 kDa) | - | [28] |
Napin (1.7-2 albumin) | 14 | 20 | 2 polypeptide chains of 4 and 9 kDa | + | [32] | |
Flax seed | Linin (11–12 S globulin) | 252–298 | 64–85 | 4 subunits: 36, 46, 50, 55 kDa | - | [26] |
Colinin (1.6–2 S albumin) | 16–17 | 40 | the single polypeptide chain of 169 AA | + | ||
Whey protein isolate | β-lactoglobulin | 18.3 | 40–55 | + | [30] | |
α-lactoalbumin | 14 | 11–20 | + | |||
Immunoglobulins | 1 to 15 | 8–11 | + | |||
Bovine serum albumin (BSA) | 69 | 4–12 | + | |||
Lactoferrin | 77 | 1 | + | |||
Lactoperoxydase | 77.5 | 1 | + |