Research Article

Effects of Different Astaxanthin Sources on Fillet Coloration and Energy Deposition in Rainbow Trout (Oncorhynchus mykiss)

Table 2

Effect of astaxanthin from different sources on the fillet color of rainbow trout O. mykiss.

ControlWBHPA-25WBHPA-50WBHPA-75WBHPA-100WBHPA-125WUHPACSA

Dorsal fillet
L46.36 ± 0.50e39.88 ± 0.79cd37.90 ± 0.44abc37.34 ± 0.49ab39.39 ± 0.44bcd40.71 ± 0.49d40.48 ± 0.38d36.69 ± 0.67a
a0.75 ± 0.15a10.02 ± 0.34c11.73 ± 0.34de13.19 ± 0.30ef12.08 ± 0.45e10.47 ± 0.26cd4.68 ± 0.31b14.25 ± 0.53f
b12.59 ± 0.35ab12.56 ± 0.3ab14.06 ± 0.35bc15.01 ± 0.42c15.98 ± 0.75c14.96 ± 0.50c11.17 ± 0.41a16.06 ± 0.63c
 Color card score20.61 ± 0.14a24.67 ± 0.35b26.89 ± 0.15c28.83 ± 0.25d26.72 ± 0.06c26.61 ± 0.31c21.20 ± 0.12a29.28 ± 0.15d
Lateral line
L66.51 ± 2.7065.12 ± 2.1762.82 ± 1.9961.62 ± 2.0762.15 ± 4.0861.01 ± 0.9064.26 ± 1.8765.46 ± 1.25
a3.16 ± 0.20a6.22 ± 0.23d4.48 ± 0.22bc4.50 ± 0.45bc4.56 ± 0.42bc5.17 ± 0.42c2.84 ± 0.45a3.50 ± 0.37ab
b6.07 ± 0.57c3.94 ± 0.53abc4.22 ± 0.81abc3.45 ± 0.24ab1.89 ± 0.18a1.93 ± 0.17a5.14 ± 0.99bc3.80 ± 0.81abc
Abdominal region
L81.68 ± 1.9682.64 ± 1.3480.95 ± 1.0377.16 ± 2.0178.65 ± 2.4179.44 ± 1.6381.64 ± 1.3682.48 ± 2.01
a−0.34 ± 0.36a1.25 ± 0.39b1.44 ± 0.64b0.93 ± 0.11b1.66 ± 0.41b1.37 ± 0.42b−0.65 ± 0.23a−0.16 ± 0.22a
b4.54 ± 0.584.47 ± 0.974.17 ± 0.414.45 ± 0.444.80 ± 0.594.63 ± 0.824.57 ± 0.535.00 ± 0.60

Values are presented as means ± SE (n = 3). Means in the same row with different superscripts are significantly different ().