2-Hydroxy fatty acids from marine sponges 2. The phospholipid fatty acids of the caribbean spongesVerongula gigantea andAplysina archeri |
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Authors: | Nestor M Carballeira Fathi Shalabi Vilmary Negron |
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Affiliation: | (1) Department of Chemistry, University of Puerto Rico, OO931 Rio Piedras, Puerto Rico |
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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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