来自巴西亚马逊地区养殖的大比目鱼的必需脂肪酸

Q3 Agricultural and Biological Sciences
Tatiana Soares dos Santos, Ernane Souza, N. Bragagnolo, Antonio Rosendo da Costa, José Jordão Filho, N. M. Almeida
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引用次数: 0

摘要

本研究的目的是确定来自巴西亚马逊地区养殖的tambaqui (Colossoma macropomum)鱼的鱼片、头部和眶腔组织的总脂质的必需脂肪酸。这些坦巴基鱼是从位于巴西亚马逊西部罗赖马州的不同养鱼场获得的。取肉、头和眶腔脂肪组织进行脂质提取和气相色谱法分析脂肪酸。以C23:0为内标,以总脂质mg g-1为单位对脂肪酸进行定量。脂质的营养质量是通过动脉粥样硬化性和血栓形成性指数以及低胆固醇/高胆固醇脂肪酸的比值来确定的。眼眶组织中亚油酸和α-亚麻酸含量较高,鱼片中二十二碳六烯酸(DHA)含量较高。鱼片、鱼头和眶腔组织中总脂质中二十碳五烯酸(EPA)浓度分别为1.28、0.97、1.71 mg g-1。所分析的三个部分均检测出必需脂肪酸。从头部和眶腔组织中提取的总脂肪的营养品质与鱼片相似。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Essential fatty acids in farmed tambaqui (Colossoma macropomum) from the Brazilian Amazon Area
The goal of this study was to determine the essential fatty acids of the total lipids of the fillet, head and orbital cavity tissue from farmed tambaqui (Colossoma macropomum) fish from a Brazilian Amazon area. The tambaqui were acquired from different fish farms in the Roraima state, located at Western Brazilian Amazon. The meat, the head and the fatty tissue from orbital cavity were dissected for lipid extraction and analysis of fatty acids by gas chromatography. The fatty acids were quantified in mg g-1 of total lipids using C23:0 as an internal standard. The nutritional quality of the lipids was determined by using the atherogenicity and thrombogenicity indices, and also by the ratio between hypocholesterolemic / hypercholesterolemic fatty acids. The orbital cavity tissue had the higher concentration amount of linoleic and α-linolenic acid, whereas the fillet had higher docosahexaenoic acid (DHA). The eicosapentaenoic acid (EPA) concentration was: 1.28, 0.97, 1.71 mg g-1 of total lipids, in the filet, in head, and in orbital cavity tissue, respectively. All essential fatty acids were detected in the three parts analyzed. The nutritional quality of the total lipids from the head and from the orbital cavity tissue was similar to the fillet.
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来源期刊
Acta Scientiarum. Animal Sciences
Acta Scientiarum. Animal Sciences Agricultural and Biological Sciences-Food Science
CiteScore
1.60
自引率
0.00%
发文量
45
审稿时长
9 weeks
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