The effect of grape seed extract (GSE) and bearberry (BB), on lipid oxidation (TBARS, mg malondialdehyde (MDA)/kg muscle),
colour (CIE ‘a’ redness value), pH, microbial status (log10CFU colony forming units/g pork) and sensorial properties of cooked pork
patties was investigated. GSE (0–1000 lg/g muscle) and BB (0–1000 lg/g muscle) were added to raw pork (M. longissimus dorsi) patties
which were stored in modified atmosphere packs (MAP) (75% O2:25% CO2) for up to 12 days at 4 C. Cooked pork patties were stored in
MAP (70% N2:30% CO2) for up to 4 days at 4 C. Mesophilic plate counts and pork pH were unaffected by GSE and BB. GSE and BB
addition decreased (P < 0.05) lipid oxidation (TBARS) in raw pork patties on days 9 and 12 of storage, relative to controls. Antioxidant
activity of GSE and BB was observed in cooked pork patties demonstrating the thermal stability of GSE and BB. The ‘a’ redness values
of raw and cooked pork patties marginally increased with increasing GSE concentration. The sensory properties of cooked pork patties
were unaffected by GSE and BB addition. Results obtained demonstrate the potential for using health promoting nutraceuticals in meat
and meat products