EXTRACTION AND CHARACTERIZATION OF FISH OIL FROM CHANNA STRAITA WASTE COLLECTED FROM ANANTAPURAM FISH MARKET

Channa straita waste was collected from fish landings of Anantapuram, for a period between October 2013-September 2014. Since these species are landed only during certain corners of the year, specimens of uniform size from all three species were alone taken into consideration for the production of fish oil. The fish body oil was extracted from the tissues of Channa straita employing four different extraction methods, namely Bligh & Dyer, Modified Bligh & Dyer, Mcgill & Moffat and Direct Steaming. From the results it is proved that direct steaming method as the finest extraction process due to its winsome qualities such as higher yield, economic viability, less laborious and less time consumption. Analytical properties of the crude fish oil were evaluated separately for freshly prepared samples and for 30 days old samples which were stored in refrigerator at 0oC. These analytical values of the crude oil are well within the acceptable standard values for both fresh and stocked samples. It is important to note that the values for both fresh and 30 days old refrigerated samples did not having much variation.