Fatty acid composition of commercially available nutrition supplements

Barbora Staňková, Lefkothea-Stella Kremmyda, Eva Tvrzická and Aleš Žák
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Barbora Staňková: st Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
Lefkothea-Stella Kremmyda: st Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
Eva Tvrzická: st Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
Aleš Žák: st Faculty of Medicine, Charles University in Prague, Prague, Czech Republic

Czech Journal of Food Sciences, 2013, vol. 31, issue 3, 241-248

Abstract: We analysed the fatty acid (FA) composition of plant and fish oil supplements available in the Czech Republic. Total lipid FA composition was analysed by gas chromatography. A total of 62 plant and 50 fish oil supplements were analysed. Their FA composition ranged widely. Linoleic acid was a dominant FA in soya lecithin (45-60%), evening primrose (65-75%), amaranth (20-50%), pumpkin seed (45-55%), and borage oil supplements (40%). α-Linolenic acid ranged between 2% and 8% in soya lecithin and from 0.2% to 1% in the majority of the other plant oil supplements. Saw palmetto oil supplements were rich in saturated FA (40-90%). γ-Linolenic acid was found in evening primrose and borage oil supplements (10-20%). Sea buckthorn oil composition varied according to the part of the plant used. The majority of fish oil supplements contained 12-23% of eicosapentaenoic and 7-17% of docosahexaenoic acids. Oil supplements may be beneficial for patients with metabolic disorders because of their FA as well as antioxidant and phytosterol content.

Keywords: dietary fat; plant oil; fish oil (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjf:v:31:y:2013:i:3:id:276-2012-cjfs

DOI: 10.17221/276/2012-CJFS

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