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Identification of Δ7 phytosterols and phytosteryl glucosides in the wood and bark of several Acacia speciesphytosterols and phytosteryl glucosides in the wood and bark of several Acacia species

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Lipids

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 Δ7 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.

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Abbreviations

BSTFA:

bis(trimethylsilyl)trifluoroacetamide

IS:

internal standard

TMS:

trimethylsilyl

TMSCI:

trimethylchlorosilane

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Authors and Affiliations

  1. Center for Research in Ceramics and Composite Materials (CICECO) and Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal

    Carmen S. R. Freire, Dora S. C. Coelho, Nuno M. Santos, Armando J. D. Silvestre & Carlos Pascoal Neto

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  1. Carmen S. R. Freire
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  2. Dora S. C. Coelho
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  3. Nuno M. Santos
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  4. Armando J. D. Silvestre
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  5. Carlos Pascoal Neto
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Correspondence to Armando J. D. Silvestre.

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Freire, C.S.R., Coelho, D.S.C., Santos, N.M. et al. Identification of Δ7 phytosterols and phytosteryl glucosides in the wood and bark of several Acacia speciesphytosterols and phytosteryl glucosides in the wood and bark of several Acacia species. Lipids 40, 317–322 (2005). https://doi.org/10.1007/s11745-005-1388-y

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  • DOI: https://doi.org/10.1007/s11745-005-1388-y

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