Page 193 - 《水产学报》2025年第10期

张旭，等 水产学报, 2025, 49(10): 109614

40
30 b a b b ab a b ab c
酶活性/(U/mg prot) enzyme activity 2.0 c b a b
20
10

1.5
1.0
0.5 c c
0
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5
CAT T-SOD T-AOC
实验组别及基因名称
experimental groups and genes
(a)
2.0 a 15 a

GSH/GSSG 比率 ratio of GSH/GSSG 1.5 ab b ab b MDA 含量/(nmol/mg prot) MDA content 10 5 c d b c

1.0

0.5

0 0
1 2 3 4 5 1 2 3 4 5
实验组别 实验组别
experimental groups experimental groups

(b) (c)
图 1 饲料铁源对黄颡鱼肌肉抗氧化相关酶活性的影响
(a) CAT，T-SOD 和 T-AOC 酶活性；(b) GSH/GSSG 比率；(c) MDA 含量。不同字母表示组间差异显著，P<0.05。1. FeSO 4 组，2. Fe-Gly 组，
3. FeCl 2 组，4. Fe-CA 组，5. Fe 2 O 3 NPs 组。下同。
Fig. 1 Effects of dietary iron sources on antioxidant-related enzyme activities in the muscle tissue of P. fulvidraco
(a) CAT, T-SOD, and T-AOC enzyme activities; (b) ratio of GSH/GSSG; (c) MDA content. Different letters indicated significant differences among
groups, P < 0.05. 1. FeSO 4 group, 2. Fe-Gly group, 3. FeCl 2 group, 4. Fe-CA group, 5. Fe 2 O 3 NPs group. The same below.

2.5 a
mRNA 相对表达量 relative mRNA expression 1.5 c c b d b a b b c b a b b b a c d e b c b b a b a b b c
2.0

1.0

0.5
0
1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 c 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5
sod1 sod2 gpx1 cat keap1 nrf2
实验组别及基因名称
experimental groups and genes

图 2 饲料铁源对黄颡鱼肌肉氧化应激相关基因表达水平的影响
Fig. 2 Effects of dietary iron sources on the expression levels of oxidative stress-related genes in
muscle tissue of P. fulvidraco

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