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首页> 美国卫生研究院文献>Nutrients >Comparison among Different Gilthead Sea Bream (Sparus aurata) Farming Systems: Activity of Intestinal and Hepatic Enzymes and 13C-NMR Analysis of Lipids
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Comparison among Different Gilthead Sea Bream (Sparus aurata) Farming Systems: Activity of Intestinal and Hepatic Enzymes and 13C-NMR Analysis of Lipids

机译：不同的金头海鲷（Sparus aurata）养殖系统之间的比较：肠和肝酶活性和脂质的13 C-NMR分析

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In order to evaluate differences in general health and nutritional values of gilthead sea bream (Sparus aurata), the effects of semi-intensive, land-based tanks and sea-cages intensive rearing systems were investigated, and results compared with captured wild fish. The physiological state was determined by measuring the activity of three different intestinal digestive enzymes: alkaline phosphatase (ALP), leucine aminopeptidase (LAP) and maltase; and the activity of the hepatic ALP. Also, the hepatic content in protein, cholesterol, and lipid were assessed. 13C-NMR analysis for qualitative and quantitative characterization of the lipid fraction extracted from fish muscles for semi-intensive and land based tanks intensive systems was performed. The lipid fraction composition showed small but significant differences in the monounsaturated/saturated fatty acid ratio, with the semi-intensive characterized by higher monounsaturated and lower saturated fatty acid content with respect to land based tanks intensive rearing system.
机译：为了评估金头鲷（Sparus aurata）在一般健康和营养价值方面的差异，研究了半精养陆基鱼缸和海箱精养系统的影响，并将结果与​​捕获的野生鱼进行了比较。通过测量三种不同的肠消化酶的活性来确定生理状态：碱性磷酸酶（ALP），亮氨酸氨肽酶（LAP）和麦芽糖酶；和肝ALP的活性。此外，还评估了蛋白质，胆固醇和脂质中的肝含量。进行了 13 C-NMR分析，对定性和定量表征了半精养和陆基坦克精养系统中从鱼肉中提取的脂质成分。脂质组分的组成在单不饱和/饱和脂肪酸比率上显示出很小但明显的差异，其中半精养的特征在于相对于陆基罐密集养育系统而言，单不饱和/饱和脂肪酸含量更高。

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