Abstract
The α-hydroxy fatty acids 2-hydroxy-eicosanoic (1) acid, 2-hydroxyheneicosanoic (2) acid, 2-hydroxydocosanoic (3) acid, 2-hydroxytetracosanoic (4) acid, 2-hydroxy-23-methyl-tetracosanoic acid and 2-hydroxypentacosanoic (5) acid were isolated from the Caribbean spongesVerongula gigantea andAplysina archeri. The very long chain fatty acids 5,9-nonacosadienoic acid (29∶2) and 5,9,23-tricontatrienoic acid (30∶3) were also identified together with theiso-prenoid fatty acid 3,7,11,15-tetramethylhexadecanoic (phytanic) acid that seems to be common in the Aplysinidae.A. archeri contained an extremely long chain fatty acid tentatively characterized as dotricontaenoic (32∶1) acid. These acids were found to occur in phosphatidylserine, phosphatidylinositol, phosphatidylethanolamine, phosphatidylcholine and traces of phosphatidylglycerol.
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Abbreviations
- PC:
-
phosphatidylcholine
- PE:
-
phosphatidylethanolamine
- PG:
-
phosphatidylglycerol
- PI:
-
phosphatidylinositol
- PS:
-
phosphatidylserine
- PtO2 :
-
platinum oxide
- ECL:
-
equivalent chain length
- GC:
-
gas chromatograph(ic, y)
- GLC:
-
gas liquid chromatography
- MS:
-
mass spectrometry
- PLC:
-
preparative layer chromatography
- TLC:
-
thin layer chromatography
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Carballeira, N.M., Shalabi, F. & Negron, V. 2-Hydroxy fatty acids from marine sponges 2. The phospholipid fatty acids of the caribbean spongesVerongula gigantea andAplysina archeri . Lipids 24, 229–232 (1989). https://doi.org/10.1007/BF02535240
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DOI: https://doi.org/10.1007/BF02535240