期刊
FOOD RESEARCH INTERNATIONAL
卷 173, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.foodres.2023.113314
关键词
Seafood; Canning; Liquid medium; Lipids; Thermo-oxidation; Natural antioxidants; Algae
This study provides detailed information on the impact of high temperatures during canning on fish lipids, demonstrates the presence of thermo-oxidation, and suggests the use of natural antioxidants to control lipid oxidation. Adding algae extracts, spices, and condiments to liquid mediums can enhance their antioxidant potential, and utilizing by-products and wastes from the food industry is also a suitable strategy. These practices can have positive impacts on other quality parameters, but further studies are needed to address safety, effective concentrations, application methods, and consumers' sensory acceptance.
Canned fish is one of the most popular forms of fish consumption due to its high nutritional value, availability, and practicality. However, canning may induce lipid oxidation. Thus, this study provides in-depth information on the impact of high temperatures applied during canning on fish lipids. The thermo-oxidation is evidenced, for example, by the high levels of both primary and secondary oxidation products determined in fish after canning, as well as the presence of harmful compounds such as cholesterol oxides. Given the role of lipid oxidation in canned fish, this study also presents a comprehensive review on using natural antioxidants to control it. The antioxidant properties of common liquid mediums (vegetable oils and sauces) are highlighted. Moreover, adding algae extracts, spices, and condiments to the liquid medium to enhance its antioxidant potential has been considered, while the exploitation of by-products and wastes from the food industry also emerges as a suitable strategy. Besides the promising results, these practices may promote positive impacts on other quality parameters (e.g. water and oil holding capacities, texture, microbiological growth). However, further studies are needed, including research on aspects related to safety, effective concentrations and application methods, without ignoring consumers' sensory acceptance.
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