Abstract
Fish and fish products of the most available protein sources for human beings. Indian mackerel is the most available and economic fish sold in markets in different countries and is included in many local dishes. Indian mackerel are characterized by dark muscles because of the high contents of myoglobin and lipids. This study aims to investigate the chemical composition, saturated and unsaturated fatty acid contents, and fatty acid fractions in Indian mackerel muscle. Indian mackerel (R. kanagurta) were purchased from the central fish market in Jizan, which is caught from the port of Jizan, Saudi Arabia. The samples were analyzed to estimate the proximate chemical composition, Lipid Fractions, and Fatty acid analyses from Indian mackerel. In this study, revealed that moisture, protein, and fat are the main constituents of Indian mackerel. The Indian mackerel contained high and comparable levels of saturated fatty acids and unsaturated fatty acids, and the different samples exhibited somewhat similar fatty acid contents. Among unsaturated fatty acids, the content of polyunsaturated fatty acids was higher than that of monounsaturated fatty acids, and those with the highest levels in Indian mackerel were palmitoleic, palmitic, myristic, oleic, 15-tetracosenoic, linolenic, and stearic acids in addition to docosanoic, eicosanoic, 5,8,11,14,17-eicosapentanoic, and 11-eicosenoic pentadecanoic acids. We conclude Indian mackerel is a rich source of protein and lipids. Polyunsaturated fatty acids are the main constituents of lipids, which exert positive effects on the body by providing the main nutrients and preventing disease in the consumer.
Keywords:
Indian mackerel; chemical composition; lipids; fatty acids
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