A new dihydroxysterol from the marine phytoplankton Diacronema sp.

Rauter, A. P.; Filipe, M.M.; Prata, C.; Noronha, J.P.; Sampayo, M.A.M.; Justino, Jorge; Bermejo, J.

http://hdl.handle.net/10400.15/4546

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Resumo(s)

Diacronema sp. was cultured and its sterols were separated by column chromatography on silica gel. The new sterol 24-ethyl-4α-methyl-cholestane-3,20-diol (1) was characterised by NMR and MS spectrometry, as well as (22E)-24-ethyl-4α-methyl-5α-cholest-22-en-3β-ol (2) and β-sitosterol, the major components of the sterol fractions. Neither the biosynthetic origin of the new dihydroxysterol nor its role in the biochemistry of Diacronema is known.

Palavras-chave

sterols dihydroxysterol Diacronema sp. microalgae

URI

http://hdl.handle.net/10400.15/4546

Citação

Rauter, A.P.; Filipe, M.M.; Prata, C.; Noronha, J.P.; Sampayo, M.A.M.; Justino, J. & Bermejo, J. (2005). A new dihydroxysterol from the marine phytoplankton Diacronema sp.. Fitoterapia, 76(5), 433-438. Doi:10.1016/j.fitote.2005.03.003

Editora

Elsevier

DOI

10.1016/j.fitote.2005.03.003

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Artigos em revistas internacionais_ESAS

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