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Anais da Academia Brasileira de Ciências
versión impresa ISSN 0001-3765
D'OCA, Marcelo G.M.; MORON-VILLARREYES, Joaquín A.; LEMOES, Juliana S. y COSTA, César S.B.. Fatty acids composition in seeds of the South American glasswort Sarcocornia ambigua. An. Acad. Bras. Ciênc. [online]. 2012, vol.84, n.3, pp. 865-870. Epub 17-Jul-2012. ISSN 0001-3765. http://dx.doi.org/10.1590/S0001-37652012005000044.
Sarcocornia ambigua (Michx.) M.A. Alonso & M.B. Crespo is the most widely distributed species of the perennial genus of glasswort in South America, and it shows great biotechnological potential as a salt-water irrigated crop. Qualitative and quantitative compositions of fatty acids were determined in the seeds of S. ambigua that were cultivated in southern Brazil. Hexane extraction of the seed oil from S. ambigua yielded 13% of total lipids. The GC-FID (Gas Chromatography Flame Ionization Detector) analysis of the hexane extracts showed five prominent peaks for the seed oil: 42.9 wt.% linoleic-Ω6 acid (18:2), 20.4 wt.% palmitic acid (16:0), 18.5 wt.% oleic acid (18:1), 4.5 wt.% stearic acid (18:0) and 4.0 wt.% linolenic-Ω3 acid (18:3). The sum of the saturated palmitic and stearic acids (24.8%) in S. ambigua seed oil exceeded values cited for commercial oils use, as well as the seed oil from the cultivated annual glasswort Salicornia bigelovii. No undesirable fatty acid components were found in S. ambigua seed oil, and it could be recommended for animal consumption or biofuel production.
Palabras clave : Sarcocornia; seed; perennial crop; saline water; biodiesel; palmitic acid.