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- W2030783334 abstract "The presence of long-chain polyunsaturated fatty acids (PUFA; ca. 9% of total fatty acids) in marine sediments near Dover, southern Tasmania, Australia prompted a search for their likely source. Analysis of a number of different species of benthic fauna isolated from these sediments revealed that the brittle star Amphiura elandiformis contained abundant PUFA including high contents of the uncommon long-chain fatty acid 24:6(n-3), but much smaller amounts of the more common animal PUFA 22:6(n-3). This is the first report of the lipid composition of this animal. Identifications of the unsaturated fatty acids were confirmed by formation of DMOX derivatives which gave characteristic and easily interpreted mass spectra. The 24:6(n-3) PUFA has been identified in some genera of brittle stars, but not others. It is rarely found in significant amounts in other marine animals. DMDS adducts were used to identify the positions of double bonds in the monounsaturated fatty acids. The major 20:1 isomer was identified as the rarely reported 20:1(n-13) fatty acid. The two fatty acids 20:1(n-13) and 24:6(n-3) may be useful biomarkers in food-web studies for identifying a brittle star diet and for recognising contributions of organic detritus from this benthic animal to marine sediments." @default.
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- W2030783334 date "2005-07-01" @default.
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- W2030783334 title "High contents of 24:6(n-3) and 20:1(n-13) fatty acids in the brittle star Amphiura elandiformis from Tasmanian coastal sediments" @default.
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- W2030783334 doi "https://doi.org/10.1016/j.bse.2004.12.011" @default.
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