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Cyanolipid-rich seed oils from Allophylus natalensis and A. dregeanus

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Lipids

Abstract

As a continuation of our study on plants of the Sapindaceae, the chemical composition of the oil extracted from seeds of Allophylus natalensis (Sonder) De Winter and of A. dregeanus (Sonder) De Winter has been investigated. The oil from both species contained approximately equal amounts of TAG and type I cyanolipids (CL), 1-cyano-2-hydroxymethylprop-2-en-1-oldiesters, with minor amounts of type III CL, 1-cyano-2-hydroxymethylprop-1-en-3-ol-diesters. Structural investigation of the oil components was accomplished by chemical, chromatographic (TLC, CC, GC, and GC-MS), and spectroscopic (IR, NMR) means. GC and GC-MS analysis showed that C20 FA were dominant in the CL components of the oil from the two species (44–80% vs. 21–26% in TAG), with cis-11-eicosenoic acid (36–46%) and cis 13-eicosenoic acid (paullinic acid, 23–37%) as the major esterified fatty acyl chains in A. natalensis and A. dregeanus, respectively. cis-Vaccenic acid was particularly abundant (11–31%) in the CL from A. dregeanus, whereas eicosanoic acid (10–22%) was also a major component of CL in both species.

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Abbreviations

CC:

column chromatography

CL:

cyanolipids

DMOX:

4,4-dimethyloxazoline

HETCOR:

1H-13C heterocorrelated

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Authors and Affiliations

  1. Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università, I-73100, Lecce, Italy

    P. Papadia & F. P. Fanizzi

  2. Consortium C.A.R.S.O., I-70010, Valenzano, Bari, Italy

    F. P. Fanizzi

  3. Dipartimento Farmaco-Chimico, Università, Via Orabona 4, 1-70125, Bari, Italy

    P. Avato & I. Rosito

Authors
  1. P. Avato
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  2. I. Rosito
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  3. P. Papadia
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  4. F. P. Fanizzi
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Correspondence to P. Avato.

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Avato, P., Rosito, I., Papadia, P. et al. Cyanolipid-rich seed oils from Allophylus natalensis and A. dregeanus . Lipids 40, 1051–1056 (2005). https://doi.org/10.1007/s11745-005-1468-z

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  • DOI: https://doi.org/10.1007/s11745-005-1468-z

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