Thermal degradation of EPA and DHA was analysed for fatty acids and volatiles.
Aroma of fish powder systems with addition of ω-fatty acids was investigated.
Hexanal, 2,4-heptadienal and 4-heptenal were found after heating EPA and DHA.
EPA and DHA added to model systems increased the fish aroma compounds.
Panellists only differentiated samples fortified with fish oil and EPA.