investigated the use of grape seed
extract (GSE), oleoresin rosemary (OR), water-soluble oregano extract
(WO), propyl gallate (PG), butylated hydroxyanisole (BHA),
and butylated hydroxytoluene (BHT) in cooked, frozen, reheated
ground beef patties, overwrapped in commercial PVC film, and
stored frozen (−18 °C) for 6 months. PG and GS treated samples
showed lower rancid odor scores and TBARS than controls, after
6 months of storage. BHT treated and control samples did not differ
statistically in sensory grassy or rancid odor, indicating that they
were the most oxidized. Based on TBARS, these antioxidants showed
the effectiveness in the order: PG and GSE N OR N BHA N WO and BHT
N control. These antioxidants also protected a* values during storage