Quantification (inmg fatty acid g−1 of total lipids), in triplicate,was
made against tricosanoic acid methyl ester as an internal standard
(23:0), as described by Joseph and Ackman (1992). Theoretical FID
(flame ionization detector) correction factor (Aguiar et al., 2011) values
were used to obtain concentration values. Fatty acid contents were
calculated in mg g−1 of total lipids by using Eq. (1):