饲料维生素E水平对黑鲷鱼抗氧化能力和鱼肉货架期的影响 |
Effects of Vitamin E Supplementation in Preslaughter Diet on Antioxidant Enzyme Activities and Fish Shelf Life of Sparus macrocephalus |
投稿时间:2007-11-13 |
DOI: |
中文关键词:黑鲷 超氧化物歧化酶 过氧化氢酶 谷胱甘肽过氧化物酶 丙二醛 |
英文关键词:Sparus macrocephalus SOD CAT GPX MDA |
基金项目: |
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中文摘要: |
探讨了饲料维生素E水平对黑鲷抗氧化酶活力和肉品质的影响。300尾平均初重为(350±12)g黑鲷随机分成3组,放入9个网箱。饲料中添加3个水平的维生素E(250、500和1000mg/kg仪一生育酚乙酸酯),饲养8周。结果发现:(1)随着饲料中维生素E添加量的增加,黑鲷血清SOD、CAT酶活力明显上升,其中V。1000组最高,VE1000和VE500组显著高于VE250组(P〈0.05);(2)饲料维生素E含量对血清中谷胱甘肽过氧化物酶(GPX)活力没有显著影响(P〉0.05);(3)鲜活黑鲷肌肉氧化代谢产物丙二醛(MDA)的含量3个组间没有显著差异(P〉0.05);(4)黑鲷冷藏第3、6、9天,高水平维生素E(VE500和VE1000)组肌肉MDA含量显著低于低水平维生素E组(VE250)(P〈0.05)。 |
英文摘要: |
The effects of dietary-tocopheryl acetate supplementation on antioxidant enzyme activities and fillet quality in commercial-size Sparus macrocephalus were studied. Three hundred fish with initial average weight of (350 ± 12) g were divided into three groups (VE 250, VE 500 and VE 1 000) and reared in 9 cages. The fish were fed for 8 weeks with three diets containing different levels of dietary-tocopheryl acetate (250,500 and 1 000 mg/kg). The results show that: (1) Serum superoxide dismutase (SOD) and catalase (CAT) activity had obviously increased with increase of dietary vitamin E levels. VE 1 000 is the lowest group, VE 1 000 and VE 500 were significantly lower than the VE 250 group (P 〈 0. 05 ) ; (2) Supplemention of dietary vitamin E had no significant impact on serum Glutathione peroxidase (GPX) of Sparus macrocephalus ( P 〉 0.05 ) ; (3) Muscle malondialdehyde (MDA) levels did not change significantly ( P 〉 0.05 ) among three groups of fresh fish ; (4) The level of muscle MDA was signifi- cantly (P 〈 0.05) lower in the groups fed high α-tocopheryl acetate supplemented diets ( VE 500 and VE 1 000) than those receiving low level of α-tocopheryl acetate (WE 250) on days of 3th, 6th and 9th in the refrigeration process.
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朱勇飞,吴天星,张晓东.2009.饲料维生素E水平对黑鲷鱼抗氧化能力和鱼肉货架期的影响[J].水生态学杂志,30(3):131-135. |
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