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|Title:||Fatty acid composition of select sea anemones from Mandapam Coast, Tamil Nadu|
|Keywords:||Sea anemone;Palmitic acid;Saturated fatty acid;GC–flame ionization|
|Abstract:||Sea anemones, such as Heteractis magnifica, H. aurora, Stichodactyla haddoni, and S. gigantea, were collected from Mandapam coast, south-east coast of India. The tissue samples were extracted and analyzed by gas chromatography–flame ionization detection using a one-step extraction–methylation method. Totally, 40 fatty acids were identified and confirmed. Among them, palmitic acid (C16:0) was found in all the sea anemones. It was higher in H. aurora (60.53%) than in S. gigantea (23.62%). The highest saturated fatty acid (SFA) content was observed in S. gigantea extract followed by H. magnifica, H. aurora, and S. haddoni. The predominant SFA C16:0N alcohol was present in H. magnifica (22.24%) and S. haddoni (27.79%). Monounsaturated fatty acid (MUFA) C16:1ω-7 was found in H. magnifica (3.88%) and S. haddoni (8.12%) and saturated fatty acid (SFA) C18:1ω-9 was found in H. aurora extract (3.87%). Polyunsaturated fatty acid (PUFA) C18:3ω-6 was found in H. magnifica (3.88%) and C20:4ω-6 was found in S. haddoni (9.49%), H. aurora (12.26%), and S. gigantea (3.47%). The percentage of total fatty acids and SFA was higher in S. gigantea extract, the MUFA was high in H. magnifica, and PUFA was higher in H. aurora than in other sea anemone species. It is presumed that the chief fatty acids present in a particular organ are related to the specific functions of the organ. In all the tissues that were analyzed, SFA levels were higher than MUFA and PUFA. To the best of our knowledge, this is the first report on the fatty acid composition in sea anemones from Indian waters.|
|ISSN:||0975-1033 (Online); 0379-5136 (Print)|
|Appears in Collections:||IJMS Vol.48(08) [August 2019]|
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