Variability of fatty acid components of marine and freshwater gastropod species from the littoral zone of the Red Sea,Mediterranean Sea,and Sea of Galilee |
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| Institution: | 1. Group of Natural Lipids, The Hebrew University of Jerusalem, P.O. Box 39074, Jerusalem 91390, Israel;2. Institute of Microbiology, Academy of Sciences of Czech Republic, Videnska 1083, 14220 Prague, Czech Republic;3. Department of Medicinal Chemistry and Natural Products, School of Pharmacy, P.O. Box 12065, The Hebrew University of Jerusalem, Jerusalem 91120, Israel;3. Affiliated with the David R. Bloom Center for Pharmaceutical Research at the Hebrew University of Jerusalem, Jerusalem, Israel;1. Instituto Mediterráneo de Estudios Avanzados (CSIC/UIB), Miquel Marqués 21, Islas Baleares, 07190 Esporles, Spain;2. Instituto de Investigaciones Marinas (CSIC), Eduardo cabello 6, 36208 Vigo, Spain;1. Autonomous University of Barcelona (UAB), Department of Prehistory, GRAMPO, Spain;2. ATICS SL, Spain;1. Department of Animal Ecology and Systematics, Justus Liebig University Giessen, Giessen, Germany;2. CNRS, Univ. Lille, UMR 8198 – Evo-Eco-Paleo, F-59000 Lille, France;3. Department of Biology, Mbarara University of Science and Technology, Mbarara, Uganda |
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| Abstract: | Eight marine gastropod species from the littoral zone of the Red and Mediterranean Seas, and four freshwater gastropods from the Sea of Galilee were analysed for their fatty acid composition using TLC (silver nitrate impregnated silica gel) and gas chromatography–mass spectrometry (GC/MS). The major fatty acid components in all twelve samples were polyunsaturated fatty acids (PUFA). The total lipids of the Sea of Galilee species contained considerably more 22:6n-3 (from 10.33% to 12.63%) and 20:5n-3 (up to 2.67%) than those from marine species. The differences among the PUFA in these species appear to be due mainly to different environmental conditions, dietary habits and geographical spreading. |
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