Off-flavors in fish: origins, detection, and mitigation strategies

IF 2.701
Goutam Roy, Shankar Namdev Mutkule, P. Senthamil Selvi, Nivedita Datta
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引用次数: 0

Abstract

Off-flavors in farmed fish are a major sensory challenge, causing global losses over $1 billion annually. These undesirable taste and odor compounds compromise product quality and consumer acceptance, reducing competitiveness against wild-caught alternatives. Although many studies exist, few provide an integrated analysis of biochemical origins, molecular mechanisms, and practical mitigation strategies. This review synthesizes recent advances (2020–2025) in biochemical characterization, microbial ecology, and detection technologies. Emphasis is placed on muscle composition, lipid oxidation, and pH-dependent microbial metabolism in shaping sensory defects. Mitigation strategies including electrooxidation, bioaugmentation, and tissue-targeted depuration are critically assessed for sustainability and commercial relevance. Integrating sensory, instrumental, and molecular perspectives, the article identifies research gaps and proposes future directions for aquaculture producers, processors, and researchers.

Graphical abstract

鱼中的异味:来源、检测和缓解策略
养殖鱼类的异味是一个重大的感官挑战,每年给全球造成超过10亿美元的损失。这些不受欢迎的味道和气味化合物会损害产品质量和消费者的接受度,降低与野生捕获替代品的竞争力。虽然已有许多研究,但很少有研究提供生物化学起源、分子机制和实际缓解策略的综合分析。本文综述了生物化学表征、微生物生态学和检测技术的最新进展(2020-2025)。重点放在肌肉组成,脂质氧化和ph依赖的微生物代谢在塑造感官缺陷。对包括电氧化、生物强化和组织靶向净化在内的缓解战略的可持续性和商业相关性进行了严格评估。结合感官、仪器和分子的观点,本文确定了研究差距,并为水产养殖生产者、加工者和研究人员提出了未来的方向。图形抽象
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来源期刊
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期刊介绍: The Journal of Food Science and Technology (JFST) is the official publication of the Association of Food Scientists and Technologists of India (AFSTI). This monthly publishes peer-reviewed research papers and reviews in all branches of science, technology, packaging and engineering of foods and food products. Special emphasis is given to fundamental and applied research findings that have potential for enhancing product quality, extend shelf life of fresh and processed food products and improve process efficiency. Critical reviews on new perspectives in food handling and processing, innovative and emerging technologies and trends and future research in food products and food industry byproducts are also welcome. The journal also publishes book reviews relevant to all aspects of food science, technology and engineering.
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