alexa Fatty acid composition of lipids from mushrooms belonging to the family Boletaceae.


Journal of Experimental Food Chemistry

Author(s): Karine Pedneault, Paul Angers, Andr Gosselin, Russell J Tweddell

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Abstract The non-polar lipid content and fatty acid (FA) composition of 11 mushroom species of the family Boletaceae were determined. The non-polar lipid content ranged from 2.0 (Leccinum aurantiacum and Boletus erythropus) to 5.4 \% (w/w) d.w. (Suillus grevillei) with an average value of 2.9 \%. More than 25 different FAs were found in the mushroom lipids. Unsaturated FAs, mainly linoleic and oleic acids, accounted for about 83 \% of the total FAs, while palmitic acid was the main saturated FA. Some FAs are identified for the first time in Boletaceae and in higher Basidiomycetes (cis-11,12-methyleneoctadecanoic acid, 7-cis,10-cis hexadecadienoic) or in fungi (cis-11,12-methyleneoctadecanoic acid). There were significant differences (P<0.05) in the contents of specific FAs between mushroom species. This article was published in Mycol Res and referenced in Journal of Experimental Food Chemistry

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