膳食纳米硒可提高大鲵硒的积累、营养成分和抗氧化状态

IF 2.1 3区 农林科学 Q2 FISHERIES
Fishes Pub Date : 2024-01-08 DOI:10.3390/fishes9010028
Jianhua Chen, Shaopeng Xing, Haixin Xu, Honggeng Zhu, Huiyun Fu, Haihua Wang, Fugui Li, Ming Zhu
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引用次数: 0

摘要

硒是一种人体必需的微量元素,如果含量适宜,会对水生动物产生有益的影响。本研究探讨了膳食中添加纳米硒(Nano-Se)对大鳞鲃(Paramisgurnus dabryanus)的肌肉硒积累、营养成分和抗氧化能力的影响。将平均体重为 5.21 ± 0.06 克的 300 尾鱼随机分为五组,喂食实验日粮 6 周。与对照组相比,膳食中添加 0.2 mg/kg 纳米硒的鱼肝脏中 SOD、GSH-Px、AKP 和 CAT 的活性显著提高(p < 0.05),而 0.2 mg/kg 组的 MDA 含量显著降低(p < 0.05)。硒含量≥0.2 毫克/千克纳米硒时,肌肉中的硒含量明显增加(p < 0.05)。在喂食 0.2 毫克纳米硒的鱼类中,观察到必需氨基酸、EAA/TAA 和 EAA/NEAA 比率水平最高。因此,本研究建议在日粮中添加每公斤 0.2 毫克的纳米硒,以提高抗氧化防御能力、硒含量和营养成分。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dietary Nanometer Selenium Enhances the Selenium Accumulation, Nutrient Composition and Antioxidant Status of Paramisgurnus dabryanus spp.
Selenium, an essential trace element, exerts beneficial effects on aquatic animals when present in suitable concentrations. This study investigates the effect of dietary nanometer selenium (Nano-Se) on the muscle selenium accumulation, nutrient composition, and antioxidant ability of Paramisgurnus dabryanus spp. Nano-Se was supplemented in the basal diets at levels of 0, 0.1, 0.2, 0.4, and 0.6 mg/kg. Three hundred fish, averaging 5.21 ± 0.06 g, were randomly divided into five groups and fed the experimental diet for 6 weeks. Fish with a dietary Nano-Se supplement of 0.2 mg/kg exhibited activities of SOD, GSH-Px, AKP, and CAT in the liver, which were significantly higher (p < 0.05) compared to the control diet, while MDA content was significantly lower (p < 0.05) in the 0.2 mg/kg group. The muscle selenium content significantly increased (p < 0.05) at ≥0.2 mg/kg Nano-Se levels. The highest levels of essential amino acids, EAA/TAA, and EAA/NEAA ratios were observed in fish fed 0.2 mg of Nano-Se. Thus, this study recommends incorporating 0.2 mg of Nano-Se per kg in the diet to enhance antioxidant defense, selenium content, and nutrient composition.
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来源期刊
Fishes
Fishes Multiple-
CiteScore
1.90
自引率
8.70%
发文量
311
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