Examined berry seed oils are rich in essential fatty acids.
Raspberry seed oil has a very low ratio of n-6:n-3 fatty acids, which
makes it very convenient for functional food usage.
It was shown that oxidation rate constant is much more suitable parameter than
activation energy, in oxidative stability evaluation of raspberry and blackberry seed oils. By comparing the oxidation rate constants,blackberry seed oil was shown to be more oxidatively stable than raspberry seed oil. Reason for this is a lower quantity of linolenic fatty acid in blackberry seed oil, as linolenic fatty acid is less stable in terms of oxidation. Although both oils are highly unsaturated oils, they show similar oxidative stability as some commercial oils, probably due to high tocopherols content of berry seed oils.