Biochemical Composition of Myctophid Species Diaphus watasei and Myctophum obtusirostre Caught from Arabian Sea
2013
Rajamoorthy, K. | Pradeep, K. | Anandan, R. | Baby, Libin | Sankar, T.V. | Lakshmanan, P. T.
An attempt was made to evaluate the biochemical composition of myctophid fishes Diaphus watasei and Myctophum obtusirostre collected from Arabian Sea (8°30’50"N - 9°07’50"N lat and 75°49’20"E - 75°58’60"E long). The moisture content in D. watasei was significantly lower (63.19 ± 0.47%) compared to M. obtusirostre (71.32%), while fat content was significantly higher in D. watasei (15.13%) compared to M obtusirostre (3.54%). Protein also comprised significant proportions in these myctophids, con- tributing 21.40% in D. watasei and 22.64% in M. obtusirostre, with substantial amount of essential amino acids. The foremost amino acid was glutamic acid in both the species. Ash content was signifi- cantly higher in M. obtusirostre (3.06%) compared to D. watasei (1.33%). The present study indicates that both species contain good quantity of essential amino acids required for human nutrition.
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