The influence of dietary lipid source on quality characteristics of raw and processed chicken meat
2009
Bianchi, Maurizio | Ferioli, Federico | Petracci, Massimiliano | Caboni, Maria Fiorenza | Cavani, Claudio
The influence of dietary lipid source [animal fats (AF) and vegetable oils (VO)] on quality characteristics of raw chicken meat (breast, thigh and meat batter) and cooked breaded patties prepared using a conventional technology (CT; forming, battering, breading, frying and convection cooking) or innovative technology (IT; forming, pre-dusting, steam cooking, battering and frying) was evaluated. Overall, dietary lipid source did not influence the chemical composition of raw meat while it modified its colour (L*, a*, b*). With respect to AF, VO produced higher breast and thigh meat cooking losses as well as a lower moisture and higher protein content of cooked breaded patties. VO also determined an increase of polyunsaturated-to-saturated fatty acid ratio of both raw and processed meat. Despite the different fatty acid profiles, the oxidative status of lipids was not affected by dietary lipid source and was acceptable in both raw meat and cooked patties as indicated by peroxide and thiobarbituric acid reactive substance values. As for the processing technology, IT determined a higher moisture and lower lipid content of the cooked breaded patties. Moreover, lipolysis degree was slightly higher in the products coming from IT. Finally, patties from AF group were lighter and more yellow than products belonging to VO group whereas IT led to lighter, less red and more yellow patties in comparison to CT.
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