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Seasonal variations in proximate and fatty acid composition of sobaity sea bream (Sparidentex hasta) in Kuwait waters

Published online by Cambridge University Press:  04 December 2018

M. A. Hossain*
Affiliation:
Aquaculture Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research, PO Box # 24885, Safat, Kuwait
K. Al-Abdul-Elah
Affiliation:
Aquaculture Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research, PO Box # 24885, Safat, Kuwait
S. B. Yaseen
Affiliation:
Aquaculture Program, Environment and Life Sciences Research Center, Kuwait Institute for Scientific Research, PO Box # 24885, Safat, Kuwait
*
Author for correspondence: Arshad Hossain, E-mail: hossain1958@gmail.com

Abstract

The objective of the study was to investigate the seasonal variations in proximate and fatty acid composition of wild sobaity (Sparidentex hasta) for a one-year period during (i) pre-spawning (October–December), (ii) spawning (January–March), (iii) post-spawning (April–June) and summer (July–September). Five male and five female fish were collected from market each month and used for the study. Skinless fillets from both sides of sobaity were taken, chopped, minced, frozen and freeze dried. Freeze-dried ground male and female fish samples were pooled separately and homogenized for proximate composition and fatty acid analysis. The results of the investigation showed that the muscle proximate composition and fatty acid profile of sobaity differed significantly (P < 0.05) among different seasons with the highest muscle lipid during the pre-spawning and spawning season. Palmitic acid (C16:0) was the most dominant muscle fatty acid followed by oleic acid (C18:1n-9). The muscle docosahexaenoic acid (DHA, C22:6n-3) levels in pre-spawning and spawning seasons were significantly (P < 0.05) higher than those in other seasons. A good n-3/n-6 ratio (2.26–3.11) and the higher DHA levels (10.16–11.47%) observed in muscles during the pre-spawning and spawning season indicated a better nutritional value of sobaity at this time of the year.

Information

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2018 

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