. 2024 Mar 25;2024:1664203. doi: 10.1155/2024/1664203

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 ± 0.50^e	39.88 ± 0.79^cd	37.90 ± 0.44^abc	37.34 ± 0.49^ab	39.39 ± 0.44^bcd	40.71 ± 0.49^d	40.48 ± 0.38^d	36.69 ± 0.67^a
a ^∗	0.75 ± 0.15^a	10.02 ± 0.34^c	11.73 ± 0.34^de	13.19 ± 0.30^ef	12.08 ± 0.45^e	10.47 ± 0.26^cd	4.68 ± 0.31^b	14.25 ± 0.53^f
b ^∗	12.59 ± 0.35^ab	12.56 ± 0.3^ab	14.06 ± 0.35^bc	15.01 ± 0.42^c	15.98 ± 0.75^c	14.96 ± 0.50^c	11.17 ± 0.41^a	16.06 ± 0.63^c
Color card score	20.61 ± 0.14^a	24.67 ± 0.35^b	26.89 ± 0.15^c	28.83 ± 0.25^d	26.72 ± 0.06^c	26.61 ± 0.31^c	21.20 ± 0.12^a	29.28 ± 0.15^d
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 ± 0.20^a	6.22 ± 0.23^d	4.48 ± 0.22^bc	4.50 ± 0.45^bc	4.56 ± 0.42^bc	5.17 ± 0.42^c	2.84 ± 0.45^a	3.50 ± 0.37^ab
b ^∗	6.07 ± 0.57^c	3.94 ± 0.53^abc	4.22 ± 0.81^abc	3.45 ± 0.24^ab	1.89 ± 0.18^a	1.93 ± 0.17^a	5.14 ± 0.99^bc	3.80 ± 0.81^abc
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 ± 0.36^a	1.25 ± 0.39^b	1.44 ± 0.64^b	0.93 ± 0.11^b	1.66 ± 0.41^b	1.37 ± 0.42^b	−0.65 ± 0.23^a	−0.16 ± 0.22^a
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

Values are presented as means ± SE (n = 3). Means in the same row with different superscripts are significantly different (P < 0.05).