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Journal of Zhejiang University SCIENCE B 2007 Vol.8 No.9 P.680-685

http://doi.org/10.1631/jzus.2007.B0680


Effects of α-tocopheryl acetate supplementation in preslaughter diet on antioxidant enzyme activities and fillet quality of commercial-size Sparus macrocephalus


Author(s):  ZHANG Xiao-dong, WU Tian-xing, CAI Li-sheng, ZHU Yong-fei

Affiliation(s):  School of Animal Sciences, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   xiaodong_zh@163.com, wutx@tianbang.com

Key Words:  Fillet quality, Lipid peroxidation, Sparus macrocephalus, &alpha, -Tocopherol


ZHANG Xiao-dong, WU Tian-xing, CAI Li-sheng, ZHU Yong-fei. Effects of α-tocopheryl acetate supplementation in preslaughter diet on antioxidant enzyme activities and fillet quality of commercial-size Sparus macrocephalus[J]. Journal of Zhejiang University Science B, 2007, 8(9): 680-685.

@article{title="Effects of α-tocopheryl acetate supplementation in preslaughter diet on antioxidant enzyme activities and fillet quality of commercial-size Sparus macrocephalus",
author="ZHANG Xiao-dong, WU Tian-xing, CAI Li-sheng, ZHU Yong-fei",
journal="Journal of Zhejiang University Science B",
volume="8",
number="9",
pages="680-685",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.B0680"
}

%0 Journal Article
%T Effects of α-tocopheryl acetate supplementation in preslaughter diet on antioxidant enzyme activities and fillet quality of commercial-size Sparus macrocephalus
%A ZHANG Xiao-dong
%A WU Tian-xing
%A CAI Li-sheng
%A ZHU Yong-fei
%J Journal of Zhejiang University SCIENCE B
%V 8
%N 9
%P 680-685
%@ 1673-1581
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.B0680

TY - JOUR
T1 - Effects of α-tocopheryl acetate supplementation in preslaughter diet on antioxidant enzyme activities and fillet quality of commercial-size Sparus macrocephalus
A1 - ZHANG Xiao-dong
A1 - WU Tian-xing
A1 - CAI Li-sheng
A1 - ZHU Yong-fei
J0 - Journal of Zhejiang University Science B
VL - 8
IS - 9
SP - 680
EP - 685
%@ 1673-1581
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.B0680


Abstract: 
This study examined the effects of dietary &alpha;-tocopheryl acetate supplementation on antioxidant enzyme activities and fillet quality in commercial-size Sparus macrocephalus. Three hundred fish [main initial weight (350±12) g] were divided into three groups (E250, E500 and E1000) and reared in 9 cages. The fish were fed for 8 weeks with three diets containing different levels of dietary &alpha;-tocopheryl acetate (289, 553, 1 069 mg/kg). Over the experimental period, fish were fed to satiation and reached a final mean weight of (465±28) g without significant body weight difference and proximate composition difference. Fillet &alpha;-Tocopherol was significantly (P<0.05) different between groups, reaching levels of 14.2, 22.1, 30.9 μg/mg fillet for groups E250, E500 and E1000, respectively. Total serum superoxide dismutase (SOD) activity increased significantly (P<0.05) in fish fed the diets high in &alpha;-tocopheryl acetate, but serum glutathione peroxidase (GPX) activity was unaffected. In storage on ice, fillets of fish fed the diets high in &alpha;-tocopheryl acetate exhibited significantly lower (P<0.05) levels of oxidation. These results suggested that increased dietary &alpha;-tocopheryl acetate could increase its flesh deposition, increase the activity of SOD and prevent lipid peroxidation of Sparus macrocephalus fillets in retail storage on ice.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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