Cyclopropenoic fatty acids in gymnosperms: the seed oil of Welwitschia

The seed oil of the gymnosperm Welwitschia mirabilis was found to contain malvalic acid, a cyclopropenoic fatty acid. This is in sharp contrast to most other gymnosperms, which contain Δ5cis‐fatty acids as well as the normal set of fatty acids. The importance of this finding in relation to questions...

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Veröffentlicht in:	Journal of the American Oil Chemists' Society 1998-12, Vol.75 (12), p.1761-1765
Hauptverfasser:	Aitzetmuller, K. (BAGKF, Munster, Germany.), Vosmann, K
Format:	Artikel
Sprache:	eng
Schlagworte:	ACIDE GRAS ACIDOS GRASOS Agronomy. Soil science and plant productions Angiosperms Biological and medical sciences Chemical constitution Cimicifuga cyclopropenoic fatty acids Economic plant physiology Ephedra evolution FATTY ACIDS Fundamental and applied biological sciences. Psychology GNETALES Gnetum gymnosperms malvalic acid Plant physiology and development Plants (botany) Pseudotsuga Seed Welwitschia
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Zusammenfassung:	The seed oil of the gymnosperm Welwitschia mirabilis was found to contain malvalic acid, a cyclopropenoic fatty acid. This is in sharp contrast to most other gymnosperms, which contain Δ5cis‐fatty acids as well as the normal set of fatty acids. The importance of this finding in relation to questions of the evolution of the Gymnospermae and Angiospermae, the two main branches of higher plants, is briefly discussed.
ISSN:	0003-021X 1558-9331
DOI:	10.1007/s11746-998-0329-8