Unusual Δ5cis-fatty acids in seed oils ofCimicifuga species
✍ Scribed by Tsevegsüren, Nanzad ;Aitzetmüllei, Kurt
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 479 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0935-6304
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✦ Synopsis
Abstract
A range of unusual fatty acids with cis‐5‐unsaturation had been reported in the seed oil of Caltha palustris. Seed oils of Cimicifuga spp. have now been found to contain the same unusual fatty acids as are present in Caltha, plus several other minor fatty acids to give a more complex and more unsaturated seed oil fatty acid pattern.
The gas chromatographic fatty acid patterns found seem to be consistent and chemotaxonomically significant, because essentially the same pattern was found in several species of the genus Cimicifuga. These findings may shed a new light on the relation of Cimicifuga to Caltha, and to other genera in the plant family Ranunculaceae.
The situation is illustrated by capillary GLC seed oil fatty acid methyl ester “fingerprints” obtained from Cimicifuga and Caltha, and is discussed in relation to other genera. The occurrence in nature of several of these unusual fatty acids, and their chemotax‐onomic significance is discussed. The close relation of GLC fatty acid patterns of Caltha and Cimicifuga could indicate monophyly and/or their belonging to the same tribe or subtribe. These observations are not in accordance with the phylogenetic systematic schemes of the genera in this plant family as published by various authors.