Multibranched polyunsaturated and very-long-chain fatty acids of freshwater Israeli sponges
Language English Country United States Media print
Document type Comparative Study, Journal Article
PubMed
12027746
DOI
10.1021/np010504q
PII: np010504q
Knihovny.cz E-resources
- MeSH
- Anti-Bacterial Agents chemistry isolation & purification MeSH
- Artemia drug effects MeSH
- Bacillus subtilis drug effects MeSH
- Chromatography, Thin Layer MeSH
- Molecular Structure MeSH
- Fatty Acids, Unsaturated chemistry isolation & purification MeSH
- Gas Chromatography-Mass Spectrometry MeSH
- Porifera chemistry MeSH
- Fresh Water MeSH
- Spectrophotometry, Infrared MeSH
- Spectrophotometry, Ultraviolet MeSH
- Staphylococcus aureus drug effects MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Comparative Study MeSH
- Geographicals
- Israel MeSH
- Jordan MeSH
- Names of Substances
- Anti-Bacterial Agents MeSH
- Fatty Acids, Unsaturated MeSH
Very-long-chain and multibranched polyunsaturated fatty acids of three freshwater sponges, Ephydatia syriaca, Nudospongilla sp., and Cortispongilla barroisi, were studied by silver TLC, GC-MS, UV, IR, HRMS, and NMR methods. One hundred and eighty-five conventional fatty acids were identified by GC-MS, out of which five were new multibranched polyunsaturated fatty acids. The freshwater sponges belonging to the family Spongillidae (class Demospongia) were shown to contain novel di-, tri-, and tetramethyl substituted dienoic, tetraenoic, and hexaenoic fatty acids. The compounds gave positive results in a brine shrimp toxicity assay.
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