Fractions of free sterols and sterol esters were observed in the ethylacetate extract of the marine sponge Suberites cf. aurantiacus and their compositions were determined. It was found that cholesterol was the predominant component in all sterol forms. The esters had a high content of unsaturated long-chain fatty acids (C24–C26). Sterol acetates have not been previously observed in marine invertebrates.
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Acknowledgment
The research was supported by the RAS Program “Molecular and Cellular Biology”, a grant of the RFBR No. 08-0400599-a, and a grant of the RF President for Support of Leading Scientific Schools NSh-2813.2008.4.
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Translated from Khimiya Prirodnykh Soedinenii, No. 3, pp. 283–285, May–June, 2010.
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Ponomarenko, L.P., Vanteeva, O.A., Rod’kina, S.A. et al. Metabolites of the marine sponge Suberites cf. aurantiacus . Chem Nat Compd 46, 335–337 (2010). https://doi.org/10.1007/s10600-010-9610-9
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DOI: https://doi.org/10.1007/s10600-010-9610-9