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.
| | Control | WBHPA-25 | WBHPA-50 | WBHPA-75 | WBHPA-100 | WBHPA-125 | WUHPA | CSA |
| Dorsal fillet | L | 46.36 ± 0.50e | 39.88 ± 0.79cd | 37.90 ± 0.44abc | 37.34 ± 0.49ab | 39.39 ± 0.44bcd | 40.71 ± 0.49d | 40.48 ± 0.38d | 36.69 ± 0.67a | a | 0.75 ± 0.15a | 10.02 ± 0.34c | 11.73 ± 0.34de | 13.19 ± 0.30ef | 12.08 ± 0.45e | 10.47 ± 0.26cd | 4.68 ± 0.31b | 14.25 ± 0.53f | b | 12.59 ± 0.35ab | 12.56 ± 0.3ab | 14.06 ± 0.35bc | 15.01 ± 0.42c | 15.98 ± 0.75c | 14.96 ± 0.50c | 11.17 ± 0.41a | 16.06 ± 0.63c | Color card score | 20.61 ± 0.14a | 24.67 ± 0.35b | 26.89 ± 0.15c | 28.83 ± 0.25d | 26.72 ± 0.06c | 26.61 ± 0.31c | 21.20 ± 0.12a | 29.28 ± 0.15d | Lateral line | L | 66.51 ± 2.70 | 65.12 ± 2.17 | 62.82 ± 1.99 | 61.62 ± 2.07 | 62.15 ± 4.08 | 61.01 ± 0.90 | 64.26 ± 1.87 | 65.46 ± 1.25 | a | 3.16 ± 0.20a | 6.22 ± 0.23d | 4.48 ± 0.22bc | 4.50 ± 0.45bc | 4.56 ± 0.42bc | 5.17 ± 0.42c | 2.84 ± 0.45a | 3.50 ± 0.37ab | b | 6.07 ± 0.57c | 3.94 ± 0.53abc | 4.22 ± 0.81abc | 3.45 ± 0.24ab | 1.89 ± 0.18a | 1.93 ± 0.17a | 5.14 ± 0.99bc | 3.80 ± 0.81abc | Abdominal region | L | 81.68 ± 1.96 | 82.64 ± 1.34 | 80.95 ± 1.03 | 77.16 ± 2.01 | 78.65 ± 2.41 | 79.44 ± 1.63 | 81.64 ± 1.36 | 82.48 ± 2.01 | a | −0.34 ± 0.36a | 1.25 ± 0.39b | 1.44 ± 0.64b | 0.93 ± 0.11b | 1.66 ± 0.41b | 1.37 ± 0.42b | −0.65 ± 0.23a | −0.16 ± 0.22a | b | 4.54 ± 0.58 | 4.47 ± 0.97 | 4.17 ± 0.41 | 4.45 ± 0.44 | 4.80 ± 0.59 | 4.63 ± 0.82 | 4.57 ± 0.53 | 5.00 ± 0.60 |
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Values are presented as means ± SE ( n = 3). Means in the same row with different superscripts are significantly different ( ). |