Table 10. Vitamin E and sterol composition (mg kg-1, dry matter) of black soldier fly larvae grown on increasing inclusions of brown algae in feeding media.
| BA0a | BA50b | BA100a | P value | Y = | R2 | |
|---|---|---|---|---|---|---|
| Vitamin E | ||||||
| α - tocopherol | 27.1 ± 1 | 96.1 | 102.6 ± 11.8 | <0.0001 | 27.1 + 2.0x - 0.01x2 | 0.96 |
| β - tocopherol | 7.8 ± 0.5 | 10.1 | 10.4 ± 0.4 | <0.0001 | 7.8 + 0.06x + 0.00004x2 | 0.90 |
| γ - tocopherol | 1.2 ± 0.1 | 20.2 | 32.3 ± 2.7 | <0.0001 | 1.2 + 0.4x + 0.001x2 | 0.99 |
| δ- tocopherol | 0.3 ± 0 | 43.4 | 94.2 ± 6.1 | <0.0001 | -0.4 + 0.9x | 0.99 |
| α- tocotrienol | 0.5 ± 0 | 0.9 | 0.2 ± 0 | <0.0001 | 0.5 + 0.02x + 0.0002x2 | 0.99 |
| β - tocotrienol | 7.2 ± 0.8 | 11.7 | 4.2 ± 0.3 | <0.0001 | 7.2 + 0.2x + 0.002x2 | 0.96 |
| γ - tocotrienol | 9.1 ± 3.4 | 4.4 | 4.9 ± 1 | 0.042 | 8.6 + 0.04x | 0.35 |
| δ- tocotrienol | ND | ND | ND | - | - | - |
| Total vit. E | 53.3 ± 3.9 | 186.7 | 248.8 ± 19.8 | <0.0001 | 53.3 + 3.4x - 0.01x2 | 0.98 |
| Sterols | ||||||
| Cholesterol | 120 | - | 143 | - | - | - |
| Desmosterol | ND | - | ND | - | - | - |
| Fucosterol | 48.4 | - | 1181 | - | - | - |
| Stigmasterol | 374 | - | 238 | - | - | - |
| β-sitosterol | 1338 | - | 824 | - | - | - |
| Total sterols | 1881 | - | 2386 | - | - | - |
a vitamin E: n = 4, sterols: mean value of two crates (n = 2),
b mean value of two crates (n = 2);
ND: not detected (LOD for δ- tocotrienol: 16 μg kg-1; desmosterol: 11.3 mg kg-1); BA0: insect larvae grown on plant-based control feeding medium; BA50 and BA100: insect larvae grown on feeding media where 50% and 100% of the control media was replaced with ground brown algae; x = percent inclusion of brown algae in feeding media (0–100).