Three new fatty acid esters from the mushroom Boletus pseudocalopus

Ki Hyun Kim, Sang Un Choi, Kang Ro Lee

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

A bioassay-guided fractionation and chemical investigation of a MeOH extract of the Korean wild mushroom Boletus pseudocalopus resulted in the identification of three new fatty acid esters, named calopusins A-C (1-3), along with two known fatty acid methyl esters (4-5). These new compounds are structurally unique fatty acid esters with a 2,3-butanediol moiety. Their structures were elucidated through 1D- and 2D-NMR spectroscopic data and GC-MS analysis as well as a modified Mosher's method. The new compounds 1-3 showed significant inhibitory activity against the proliferation of the tested cancer cell lines with IC50 values in the range 2.77-12.51 μM.

Original languageEnglish
Pages (from-to)593-599
Number of pages7
JournalLipids
Volume47
Issue number6
DOIs
StatePublished - Jun 2012

Keywords

  • Boletaceae
  • Boletus pseudocalopus
  • Cytotoxicity
  • Fatty acid esters

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