Effect of Fat Type and Mango Peel Powder on the Physicochemical Properties of Beef Patties During Cold Storage and In Vitro Digestion.

The aim of this research was to evaluate the effects of fat type and mango peel powder (MP) on the physicochemical properties of cooked beef patties during cold storage and after in vitro digestion. Beef patties were prepared with saturated beef fat (BF) and pre-emulsified avocado oil (AO) or pre-emulsified safflower oil (SO). MP was added at 0% or 1%. The treatments were as follows: T1 (BF, no added MP), T2 (AO, no added MP), T3 (SO, no added MP), T4 (BF + 1%MP), T5 (AO + 1%MP), and T6 (SO + 1%MP). Substituting saturated fat with AO and SO improved the fatty acid profile of beef patties. The addition of pre-emulsified oils increased (p < 0.05) the L ^∗, a ^∗, and b ^∗ values. Moreover, the incorporation of MP in the meat formulation decreased (p < 0.05) lipid oxidation during cold storage. Adding MP to the meat formulation decreased (p < 0.05) lipid oxidation before and after in vitro digestion. Replacement of saturated fat with vegetable oils and incorporation of MP may be an alternative strategy to improve the quality of beef patties during cold storage and decrease lipid oxidation after in vitro digestion.