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:: Volume 15, Issue 3 (7-2016) ::
IJFS 2016, 15 Back to browse issues page
Determination and study the fatty acid contents and their seasonal variations by temperature of a dominant bivalve(Callista umbonella) of Haleh Creek
N. Sajjadi * , N. Mooraki
, nooshinsadjadi@yahoo.com
Abstract:   (1819 Views)

In this study fatty acid contents, because of the importance in humans life, and their seasonal variations of a dominant bivalve of Haleh Creek were determined for the first time. Fatty acid identification was done by GC-MS (Gas Chromatography–Mass Spectrometry) method. After collecting and dissecting the species from the shells, samples weighed and frozen for further experiments. All the samples esterified and made ready for injection to the GC-MS. Temperature as an important environmental parameter monitored monthly, variability of the fatty acid components studied in two seasons, and the effect of temperature changes on seasonal variations of the fatty acids were studied by statistical analysis. In conclusion sixteen fatty acids identified in Callista umbonella, including twelve saturated and four unsaturated, which the most important were oleic, palmitic, myristic, hexadecanoic and nonadecanoic acids while saturated fatty acids were dominated over unsaturated ones. The most abundant saturated fatty acid was palmitic acid and unsaturated one was oleic acid in this species. Although  fatty acids’ seasonal changes did not show any significant difference  and also any significant correlation with temperature in the species in this area, but in general fatty acid amounts might be vary in different temperatures and it could be related to many environmental and biological factors in species. 

Keywords: Fatty acids, Seasonal variations, GC-MS, Haleh Creek
Full-Text [PDF 343 kb]   (1366 Downloads)    
Type of Study: Orginal research papers | Subject: Biology & physiology
Received: 2016/08/6 | Accepted: 2016/08/6 | Published: 2016/08/6
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Sajjadi N, Mooraki N. Determination and study the fatty acid contents and their seasonal variations by temperature of a dominant bivalve(Callista umbonella) of Haleh Creek. IJFS. 2016; 15 (3) :1134-1143
URL: http://jifro.ir/article-1-2336-en.html


Volume 15, Issue 3 (7-2016) Back to browse issues page
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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