Table 3. Mineral- and sterol composition of feeding media used for the black soldier fly larvae growth trial (all results on dry matter basis).
| BA0 | BA10 | BA20 | BA30 | BA40 | BA50 | BA60 | BA70 | BA80 | BA90 | BA100 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Minerals | |||||||||||
| Ca, g kg-1 | 2.4 | 4.0 | 5.2 | 6.6 | 7.6 | 9.1 | 9.2 | 10 | 13 | 14 | 15 |
| K, g kg-1 | 10.0 | 12 | 11 | 12 | 13 | 14 | 15 | 17 | 17 | 18 | 19 |
| Mg, g kg-1 | 1.8 | 2.5 | 2.9 | 3.4 | 4.0 | 4.5 | 5.0 | 6.1 | 6.5 | 7.0 | 7.7 |
| Na, g kg-1 | 4.8 | 6.9 | 10 | 13 | 16 | 19 | 22 | 27 | 29 | 33 | 36 |
| P, g kg-1 | 4.6 | 4.5 | 4.2 | 3.8 | 3.4 | 3.1 | 2.7 | 2.3 | 1.9 | 1.4 | 1.1 |
| I, mg kg-1 | <LOQ | 61 | 120 | 190 | 260 | 330 | 410 | 470 | 530 | 610 | 700 |
| Cu, mg kg-1 | 6.3 | 6.2 | 6.0 | 5.7 | 5.5 | 5.3 | 5.0 | 4.7 | 4.4 | 4.1 | 4.1 |
| Fe, mg kg-1 | 230 | 265 | 265 | 285 | 290 | 295 | 310 | 250 | 320 | 300 | 430 |
| Mn, mg kg-1 | 48 | 45 | 42 | 39 | 35 | 32 | 28 | 25 | 21 | 17 | 16 |
| Se, mg kg-1 | 0.07 | 0.07 | 0.08 | 0.08 | 0.08 | 0.09 | 0.09 | 0.08 | 0.1 | 0.1 | 0.1 |
| Zn, mg kg-1 | 42 | 43 | 43 | 43 | 45 | 44 | 45 | 46 | 46 | 46 | 46 |
| Sterols, mg kg-1 | |||||||||||
| Cholesterol | 83.1 | - | - | - | - | - | - | - | - | - | 28.3 |
| Desmosterol | <LOQ | - | - | - | - | - | - | - | - | - | <LOQ |
| Fucosterol | 58.5 | - | - | - | - | - | - | - | - | - | 2165 |
| Stigmasterol | 150 | - | - | - | - | - | - | - | - | - | <LOQ |
| β-sitosterol | 782 | - | - | - | - | - | - | - | - | - | 16.2 |
| Total sterols | 1073 | - | - | - | - | - | - | - | - | - | 2210 |
BA0 to BA100: feeding media with 0% to 100% brown algae (0% = pure plant based medium); LOQ: limit of quantification (iodine: 2 mg kg-1; desmosterol: 11.3 mg kg-1; stigmasterol; 7.4 mg kg-1).