A new dihydroxysterol from the marine phytoplankton Diacronema sp.

Amélia P. Rauter, Manuela M. Filipe, Carla Prata, João Paulo Noronha, Maria A. M. Sampayo, Jorge Justino, Jaime Bermejo

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)433-438
Number of pages6
JournalFitoterapia
Volume76
Issue number5
DOIs
Publication statusPublished - Jul 2005

Keywords

  • Diacronema sp.
  • Dihydroxysterol
  • Microalgae
  • Sterols

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