Assessing the nutritional value of farmed and wild gilthead sea bream (Sparus aurata): Implications for local aquaculture in the central Algerian coast

IF 4 2区农林科学 Q2 CHEMISTRY, APPLIED

Journal of Food Composition and Analysis Pub Date : 2025-06-18 DOI:10.1016/j.jfca.2025.107944

Elyes Kelai , Soufiane Bensalem , Bilal Boufekane , Adh’ya-eddine Hamitouche , Khaldoun Bachari , Kamel Harchouche , Nour el Islam Bachari

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Abstract

Aquaculture is a sustainable alternative to traditional fishing, especially in the Mediterranean, where wild fish populations are declining. Consumer concerns about the nutritional value of farmed fish versus wild fish impede aquaculture development in Algeria. This study compares the nutritional value of farmed gilthead sea bream (Sparus aurata) in Algeria to wild fish. Samples were taken from four natural fishing areas and two fish farms. Biometric analysis revealed that farmed fish had positive allometric growth while wild fish had isometric growth. According to proximate composition analysis, wild fish contained more water (75.64 % vs. 70,6 %) and less organic matter (23.5 % vs. 26.2 %) than farmed fish. Fatty acid profiles analyzed with GC-MS in SIM mode revealed that farmed fish contained more omega-6 fatty acids (mean: 22.89 mg/100 mg), whereas wild fish had higher omega-3 levels (mean: 8.78 mg/100 mg). Despite these differences, both farmed and wild gilthead sea bream had high nutritional quality, particularly in omega-3 fatty acids. These findings indicate that farmed fish can be a high-quality alternative to wild fish in the Mediterranean region as long as feed formulations are optimized to better mimic wild fish lipid profiles. This study addresses consumer concerns and promotes sustainable aquaculture in Algeria.

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评估养殖和野生金头鲷（Sparus aurata）的营养价值：对阿尔及利亚中部海岸当地水产养殖的影响

水产养殖是传统捕鱼的可持续替代方式，特别是在野生鱼类数量正在减少的地中海地区。消费者对养殖鱼类与野生鱼类的营养价值的担忧阻碍了阿尔及利亚水产养殖的发展。本研究比较了阿尔及利亚养殖金头鲷（Sparus aurata）与野生鱼类的营养价值。样本取自四个天然渔场和两个渔场。生物计量学分析表明，养殖鱼类为正异速生长，而野生鱼类为等速生长。根据近似成分分析，野生鱼比养殖鱼含有更多的水（75.64 %比70,6 %）和更少的有机物（23.5 %比26.2 %）。用GC-MS在SIM模式下分析脂肪酸谱显示，养殖鱼类含有更多的omega-6脂肪酸（平均值：22.89 mg/100 mg），而野生鱼类含有更高的omega-3含量（平均值：8.78 mg/100 mg）。尽管存在这些差异，但养殖的和野生的鲷鱼都有很高的营养质量，尤其是omega-3脂肪酸。这些发现表明，只要优化饲料配方以更好地模拟野生鱼类的脂质分布，养殖鱼类可以成为地中海地区野生鱼类的高质量替代品。这项研究解决了阿尔及利亚消费者关注的问题并促进了可持续水产养殖。

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来源期刊

Journal of Food Composition and Analysis 工程技术-食品科技

CiteScore

6.20

自引率

11.60%

发文量

601

审稿时长

53 days

期刊介绍： The Journal of Food Composition and Analysis publishes manuscripts on scientific aspects of data on the chemical composition of human foods, with particular emphasis on actual data on composition of foods; analytical methods; studies on the manipulation, storage, distribution and use of food composition data; and studies on the statistics, use and distribution of such data and data systems. The Journal''s basis is nutrient composition, with increasing emphasis on bioactive non-nutrient and anti-nutrient components. Papers must provide sufficient description of the food samples, analytical methods, quality control procedures and statistical treatments of the data to permit the end users of the food composition data to evaluate the appropriateness of such data in their projects. The Journal does not publish papers on: microbiological compounds; sensory quality; aromatics/volatiles in food and wine; essential oils; organoleptic characteristics of food; physical properties; or clinical papers and pharmacology-related papers.