Table 8.
BSF0 | BSF3 | BSF6 | BSF9 | BSF12 | BSF15 | SEM | P-value | |
---|---|---|---|---|---|---|---|---|
Proximate composition | ||||||||
DM | 25.8 | 26.8 | 27.2 | 25.5 | 26.1 | 26.6 | 0.303 | 0.643 |
CP | 19.2 | 20.0 | 18.3 | 19.2 | 19.6 | 20.5 | 0.323 | 0.493 |
EE | 4.44 | 4.97 | 5.34 | 4.74 | 5.13 | 4.76 | 0.223 | 0.897 |
Ash | 2.06a | 1.68ab | 1.54ab | 1.43b | 1.28b | 1.22b | 0.065 | 0.010 |
Fatty acid composition | ||||||||
C12:0 | 0.09e | 0.28de | 0.44d | 0.75c | 1.16b | 1.73a | 0.081 | 0.000 |
C13 iso | 0.07ab | 0.07ab | 0.06ab | 0.07a | 0.05ab | 0.04b | 0.003 | 0.024 |
C14:0 | 2.93c | 3.00bc | 2.91c | 3.16bc | 3.35b | 4.36a | 0.078 | 0.000 |
C15 iso | 0.07b | 0.07b | 0.07b | 0.06b | 0.07b | 0.09a | 0.001 | 0.000 |
C15 aiso | 0.02b | 0.02b | 0.02b | 0.02b | 0.03ab | 0.04a | 0.002 | 0.000 |
C14:1 c-9 + C15:0 | 0.33b | 0.33b | 0.32b | 0.34b | 0.34b | 0.43a | 0.007 | 0.000 |
C16:0 | 18.6b | 19.1b | 18.8b | 19.6b | 20.2b | 25.4a | 0.361 | 0.000 |
C17 iso | 0.21b | 0.22b | 0.21b | 0.20b | 0.22b | 0.28a | 0.005 | 0.000 |
C17 aiso | 0.43cd | 0.42d | 0.42d | 0.50bc | 0.52b | 0.64a | 0.013 | 0.000 |
C16:1 c-9 | 4.88c | 5.14bc | 5.03bc | 5.29bc | 5.52b | 6.31a | 0.085 | 0.000 |
C17:0 | 0.29b | 0.28b | 0.29b | 0.27b | 0.28b | 0.40a | 0.008 | 0.000 |
C18 iso | 0.12 | 0.11 | 0.10 | 0.12 | 0.12 | 0.12 | 0.004 | 0.421 |
C17:1 c-9 | 0.19 | 0.18 | 0.20 | 0.23 | 0.21 | 0.21 | 0.006 | 0.217 |
C18:0 | 5.11b | 5.13b | 5.10b | 5.32b | 5.44b | 6.53a | 0.078 | 0.000 |
C18:1 t-6–10 | 0.09b | 0.10b | 0.09b | 0.10b | 0.11ab | 0.12a | 0.002 | 0.000 |
C18:1 t-11–12 | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 | 0.03 | 0.001 | 0.104 |
C18:1 t-13–14 + c-6–8 | 0.12b | 0.12b | 0.11b | 0.13b | 0.12b | 0.16a | 0.003 | 0.000 |
C18:1 c-9 | 23.3d | 24.0cd | 24.9bcd | 25.4bc | 26.6b | 31.3a | 0.397 | 0.000 |
C18:1 c-11 | 2.88b | 2.93b | 2.92b | 2.93b | 2.99b | 3.50a | 0.038 | 0.000 |
C18:2 n-6 | 21.0a | 21.6a | 21.8a | 20.9a | 20.7a | 12.3b | 0.513 | 0.000 |
C18:3 n-3 | 2.51a | 2.62a | 2.51a | 2.41a | 2.22a | 0.93b | 0.089 | 0.000 |
C18:3 n-6 | 0.32a | 0.31a | 0.34a | 0.36a | 0.29a | 0.12b | 0.014 | 0.000 |
C20:0 | 0.16b | 0.17b | 0.18b | 0.18b | 0.18b | 0.23a | 0.004 | 0.000 |
C20:1 c-9 | 1.17b | 1.15b | 1.20b | 1.22b | 1.26ab | 1.44a | 0.024 | 0.003 |
C20:1 c-11 | 0.17a | 0.16ab | 0.15ab | 0.15ab | 0.14b | 0.05c | 0.006 | 0.000 |
C20:2 n-6 | 0.98a | 0.93a | 1.01a | 0.96a | 0.95a | 0.66b | 0.025 | 0.000 |
C20:3 n-3 | 0.15a | 0.15a | 0.16a | 0.14a | 0.14a | 0.07b | 0.005 | 0.000 |
C20:3 n-6 | 0.63a | 0.59a | 0.64a | 0.70a | 0.60a | 0.20b | 0.025 | 0.000 |
C20:4 n-6 | 0.75a | 0.72a | 0.73a | 0.76a | 0.62a | 0.22b | 0.031 | 0.000 |
C20:5 n-3 | 2.96ab | 3.14a | 2.68ab | 2.53b | 1.82c | 0.54d | 0.128 | 0.000 |
C22:0 | 0.10 | 0.10 | 0.12 | 0.12 | 0.11 | 0.11 | 0.002 | 0.055 |
C22:1 n-9 | 0.14 | 0.14 | 0.15 | 0.16 | 0.17 | 0.17 | 0.006 | 0.517 |
C22:5 n-3 | 0.92ab | 1.03a | 0.92ab | 0.80b | 0.55c | 0.12d | 0.046 | 0.000 |
C22:6 n-3 | 8.19a | 5.56b | 5.35bc | 4.18cd | 2.97d | 1.11e | 0.326 | 0.000 |
Σ SFA | 27.7b | 28.4ab | 28.2ab | 29.7ab | 31.0ab | 35.7a | 0.821 | 0.043 |
Σ BCFA | 0.91bc | 0.91bc | 0.86c | 0.97b | 1.00b | 1.22a | 0.018 | 0.000 |
Σ MUFA | 33.0d | 34.0cd | 34.8bcd | 35.6bc | 37.2b | 43.3a | 0.519 | 0.000 |
Σ PUFA | 38.4a | 36.7ab | 36.1ab | 33.8bc | 30.8c | 16.3d | 1.089 | 0.000 |
Σ PUFA / Σ SFA | 1.39a | 1.29a | 1.28a | 1.14b | 1.00c | 0.39d | 0.047 | 0.000 |
Σ n-3 | 14.7a | 12.5b | 11.6bc | 10.1c | 7.71d | 2.78e | 0.559 | 0.000 |
Σ n-6 | 23.7a | 24.2a | 24.5a | 23.7a | 23.1a | 13.5b | 0.590 | 0.000 |
Σ n-3 / Σ n-6 | 0.62a | 0.51b | 0.47b | 0.43b | 0.34c | 0.19d | 0.020 | 0.000 |
Abbreviations: BSF Hermetia illucens, ww wet weight, TFA total fatty acid, SEM standard error of the mean, DM dry matter, CP crude protein, EE ether extract, c cis, t trans, SFA saturated fatty acids, BCFA branched chain fatty acids, MUFA monounsaturated fatty acids, PUFA polyunsaturated fatty acids. Values are reported as mean of duplicate analyses. Different superscripts within a row indicate significant differences (P < 0.05)