Impact of different vegetable fats and oils on instrumentally measured color and texture of processed chicken sausages
Date Issued
2009
Author(s)
Pejkovski Zlatko
Silovksa NIkolova Aleksandra
Belichovska Katerina
Gasperlin Lea
Polak Tomas
Zlender Bozidar
Lilic Slobodan
Ockerman Herber
Abstract
The effect of vegetable fats and oils on instrumentally measured color and texture of processed chicken sausages was investigated using six variants of sausages: control, containing pork back fat (Po); olive oil (O); rapeseed oil (R); sunfower oil (S); palm fat (Pa) and a mixture (Mi) of 60 % rapeseed oil (R) and 40 % palm fat (Pa). Palm (Pa) fat resulted in the darkest (p 0,05) surface color of processed poultry sausages. High intensity red color was most desirable on the sausage surface and was obtained with palm (Pa) fat and a mixture (Mi) of 60% palm fat and 40% rapeseed oil (R). Incorporation of all other plant oils and fats increased yellowness on the surface of processed poultry frankfurters. Palm (Pa) and pork (Po) fat, that are rich in saturated fatty acids, (p 0.05) darkened color on poultry sausages at the fresh cross sectional plane. Pork (Po) fat also (p 0.05) improved the red color hue at the fresh cross section plane of sausages. Plant oils, when not used in a mixture with palm fat (p 0.05) increased the Warner Bratzler Shear Force (WBSF) making the product harder and rmer in texture.
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