Identification of Delta(7) phytosterols and phytosteryl glucosides in the wood and bark of several Acacia species
authors Freire, CSR; Coelho, DSC; Santos, NM; Silvestre, AJD; Neto, CP
nationality International
journal LIPIDS
keywords EUCALYPTUS-GLOBULUS; ALPHA-SPINASTEROL; STEROLS; ESTERS; POLAR; CORN
abstract The wood and bark of four Acacia species growing in Portugal, namely, A. longifolia, A. dealbata, A. melanoxylon, and A. retinodes, were investigated for their sterol content. The lipids fractions of the different wood and bark samples were isolated, and the sterols were identified and quantified by GC-MS. Two Delta(7) sterols, specifically, spinasterol and dihydrospinasterol, were the main sterols found in considerable amounts, particularly in wood tissues (more than 0.5 g/kg of dry wood in the case of A. melanoxylon and A. retinodes). The corresponding unusual steryl glucosides were also identified in significant amounts in the wood and bark extracts.
publisher AMER OIL CHEMISTS SOC A O C S PRESS
issn 0024-4201
year published 2005
volume 40
issue 3
beginning page 317
ending page 322
digital object identifier (doi) 10.1007/s11745-005-1388-y
web of science category Biochemistry & Molecular Biology; Nutrition & Dietetics
subject category Biochemistry & Molecular Biology; Nutrition & Dietetics
unique article identifier WOS:000228819300011
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