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Table 6 Effect of the dietary inclusion of BSF meal on flesh color and pH24 of cranial, medial and caudal regions of rainbow trout fillets (n = 9)

From: Dietary inclusion of a partially defatted black soldier fly (Hermetia illucens) larva meal in low fishmeal-based diets for rainbow trout (Oncorhynchus mykiss)

  BSF0 BSF3 BSF6 BSF9 BSF12 BSF15 SEM P-value
Cranial region
 L* 42.3 46.1 43.5 45.0 43.2 43.4 0.799 0.788
 a* 0.35 0.42 −0.32 2.06 −0.35 0.33 0.255 0.069
 b* 6.25 8.06 6.32 8.17 6.17 6.60 0.258 0.051
 pH24 6.49 6.31 6.38 6.32 6.37 6.42 0.020 0.101
Medial region
 L* 42.0 45.1 44.3 47.2 43.6 45.0 0.778 0.562
 a* 1.57 3.73 1.58 2.70 2.88 1.87 0.316 0.292
 b* 7.93 9.66 8.26 9.86 7.60 8.51 0.314 0.204
 pH24 6.40 6.26 6.33 6.28 6.31 6.35 0.019 0.119
Caudal region
 L* 44.3 49.6 47.1 47.0 45.8 47.3 0.743 0.490
 a* 2.95 2.14 2.93 3.92 4.81 2.31 0.579 0.784
 b* 9.08 10.30 9.68 10.54 7.98 8.60 0.337 0.203
 pH24 6.37 6.26 6.29 6.25 6.28 6.34 0.017 0.143
  1. Abbreviations: BSF Hermetia illucens, L* lightness, a* redness, b* yellowness, SEM standard error of the mean