Fatty Acid Content and Lipid Nutritional Indexes in the Antarctic Krill Euphausia superba Collected from Three Regions of the Atlantic Sector of Antarctica.

Q3 Agricultural and Biological Sciences Doklady Biological Sciences Pub Date : 2024-10-11 DOI:10.1134/S0012496624600386
S A Murzina, V P Voronin, D G Bityutskii, N N Nemova
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Abstract

The total lipid (TL) and fatty acid (FA) contents in tissues and body segments were studied in adult Antarctic krill (Euphausia superba) caught in three regions of the Atlantic sector of Antarctica with different environmental conditions. Significant differences in lipid and FA status of the Antarctic krill tissues and body segments were observed in the regions. Main metabolic indices indicating quality of lipids showed that E. superba has a high nutritional value. In particular, lipids are highly unsaturated in the species and ratios of physiologically significant and essential FAs are favorable to human health. This was assumed to be a distinctive biochemical characteristic of the species. Data from the study can be used to form a scientifically based approach to further technological processing of raw krill and targeted extraction of certain substances and components of a lipid nature.

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从南极洲大西洋部分三个地区采集的南极磷虾中的脂肪酸含量和脂质营养指数。
研究了在环境条件不同的南极洲大西洋部分三个区域捕获的成年南极磷虾(Euphausia superba)组织和体节中的总脂质(TL)和脂肪酸(FA)含量。观察到不同地区的南极磷虾组织和体节的脂质和脂肪酸状况存在显著差异。表明脂质质量的主要代谢指数显示,南极磷虾具有很高的营养价值。特别是,该物种的脂质高度不饱和,具有重要生理意义的必需脂肪酸比例对人体健康有利。这被认为是该物种独特的生化特征。这项研究的数据可用于形成一种有科学依据的方法,对磷虾原料进行进一步的技术加工,并有针对性地提取某些脂类物质和成分。
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来源期刊
Doklady Biological Sciences
Doklady Biological Sciences Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
1.10
自引率
0.00%
发文量
66
期刊介绍: Doklady Biological Sciences  is a journal that publishes new research in biological sciences of great significance. Initially the journal was a forum of the Russian Academy of Science and published only best contributions from Russia in the form of short articles. Now the journal welcomes submissions from any country in the English or Russian language. Every manuscript must be recommended by Russian or foreign members of the Russian Academy of Sciences.
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