Proteins or hydrocolloids were dissolved in cold water and then
homogenized with fish oil using a hand-held food processor
(Braun, Buenos Aires, Argentina) during 2 min to form a coarse
emulsion. The obtained emulsion and the rest of dry ingredients
(condiments, NaNO2, sodium erythorbate) were added to the
ground meat, processing all ingredients during 5 min afterward.
Final temperature of batters varied between 12 and 15
C. Control
formulations with fish oil (CO) sausages were made without
proteins or hydrocolloids in an equivalent procedure