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The fishery industry generates nearly 63 million metric tons of fish processing waste every year, globally. To assess the constituents and value of the fish waste, a laboratory study on the total lipid content (TLC) and fatty acid composition of processing waste from chinese carp, Cyprinus carpio was conducted by selecting three different weight groups (250-500g, 501-750g, and 751-1000g). Maximum TLC (31.30±0.45%) was found in the kidney of 751-1000g weight group, while the minimum (5.50±0.25%) was in the head of 250-500g weight group. Three major groups of fatty acids viz. polyunsaturated fatty acids (PUFAs), monounsaturated fatty acids (MUFAs) and saturated fatty acids (SFAs) have been identified in the head, liver, kidney, testis, ovary and intestine. In waste comprising head, linolenic acid contributed maximum of 83%, 99% and 93% to the n-3 fatty acids in 250-500, 501-750 and 751-1000g weight groups, respectively. The total n-6 PUFAs were maximum (38.78±11.18%) in liver from 751-1000g weight group. The intestine contained maximum amount of n-3 fatty acids, highest n-3/n6- ratio and low MUFAs and SFAs contents, besides having high total lipid content. It may be concluded that the processing waste of fish (head and visceral organs) is a rich source of total lipids and the essential fatty acids, particularly the polyunsaturated fatty acids, which can be utilized by the industry and processed for human consumption.
[Navpreet Kaur, S.S. Hundal, H.S. Sehgal and G.K. Sehgal (2014); EVALUATION OF TOTAL LIPID CONTENT (TLC) AND FATTY ACID COMPOSITION OF THE FISH PROCESSING WASTE GENERATED BY DIFFERENT WEIGHT GROUPS OF CHINESE CARP, CYPRINUS CARPIO (LINN.) Int. J. of Adv. Res. 2 (12). 0] (ISSN 2320-5407). www.journalijar.com
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