The various examples presented herein are directed to an oil composition comprising at least one carotenoid in an amount greater than 50 mg/kg by weight of the oil composition； a docosahexaenoic acid (DHA) content greater than about 25% of the total weight of fatty acids present in the oil composition； and less than 80 ppb of trans-2-pentanal (t-2-P), less than 30 ppb of hexanal, less than 15 ppb heptanal, or less 1500 ppb of dimethyldisulfide (DMDS).
