The Fatty Acid Composition of the Seed Oil ofPeschiera australis (Apocynaceae)
β Scribed by Spitzer, V. ;Rates, S. M. K. ;Henriques, A. T. ;Marx, F.
- Publisher
- John Wiley and Sons
- Year
- 1995
- Weight
- 198 KB
- Volume
- 97
- Category
- Article
- ISSN
- 0931-5985
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β¦ Synopsis
The seed oil of Peschiera australis (Apocynaceae) was analyzed for its fatty acid composition by gaschromatography-mass spectrometry.
Oleic acid was the main fatty acid (75%) beside other usual compounds. The UV, IR and NMR spectroscopic data of the oil pointed to the presence of the alkaloides tabersonine and coronaridine.
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The seeds of 28 species from 'cerrado', a typical savanna ecosystem of Brazil, were analysed for total lipid contents and fatty acid distribution. The seeds of 10 species presented contents above 150 g kg-', the highest yield reaching 335 g kg-'. Distribution of fatty acids based on polyunsaturated
From our data it could be summarized that the low silica gellecithin extract ratio (2:l) allows to obtaine rapeseed lecithin with above 80 % content of phosphatidylcholine. The best results (yield 44 %, 82 % PC) for temperature 60Β°C were observed. The method presented in this report could be useful
for his keen interest in the study.