Lipid fraction extracted from tissues of oily fish and fishery by-products are one of the best source of omega-3 (?-3) polyunsaturated fatty acids (PUFAs), mainly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Method of oil extraction from the Dasyatis sephen liver is simple and cheap. Therefore, the present study was conducted to extract and enrich the Omega-3 fatty acids from Dasyatis sephen liver which is discarded during dry fish production. Bligh and Dyer’s method was used to extract oil. Fatty acids profiles were determined by Gas-Liquid Chromatography method (GLC). Average liver lipid recovery was 69.54 % (w/w). Crude liver oil fatty acid profile of DHA and EPA was 0.5% and 0.6%, respectively. Urea complexation was done to enrich the extracted Omega-3 fatty acids. Physio-chemical properties such as moisture content, color, specific gravity, peroxide value, and fatty acid compositions were obtained under the tolerable standard. The level of DHA:22:6n-3 and EPA: 20:5n-3 in the enriched Dasyatis sephen oil were 9.7 % and 8.7 %, respectively. It could be concluded that the converting of Ray fish by-product into enriched oil is an opportunity of adding value to the fish by-product and could be suitable for applications in pharmaceutical and nutraceutical industries.
Fatty acid, Fish Oil, Omega-3, Ray Fish, Urea Complexation
International Journal of Trend in Scientific Research and Development - IJTSRD having
online ISSN 2456-6470. IJTSRD is a leading Open Access, Peer-Reviewed International
Journal which provides rapid publication of your research articles and aims to promote
the theory and practice along with knowledge sharing between researchers, developers,
engineers, students, and practitioners working in and around the world in many areas
like Sciences, Technology, Innovation, Engineering, Agriculture, Management and
many more and it is recommended by all Universities, review articles and short communications
in all subjects. IJTSRD running an International Journal who are proving quality
publication of peer reviewed and refereed international journals from diverse fields
that emphasizes new research, development and their applications. IJTSRD provides
an online access to exchange your research work, technical notes & surveying results
among professionals throughout the world in e-journals. IJTSRD is a fastest growing
and dynamic professional organization. The aim of this organization is to provide
access not only to world class research resources, but through its professionals
aim to bring in a significant transformation in the real of open access journals
and online publishing.