Effects of red grape, wild grape and black raspberry wines on ground pork during refrigerated storage
2014
Lee, J.H. | Cho, B.K.
The effects of red grape, wild grape and black raspberry wines on the quality of ground pork during a 15 days refrigerated storage period were investigated. The levels of phenolic compounds were the highest in black raspberry wine (P<0.05). In contrast, the antioxidant capacities according to ferric reducing antioxidant potential (FRAP) and trolox equivalent antioxidant capacity (TEAC) were not significantly different among the wines (P>0.05). The addition of 5% and 10% wine influenced the quality of ground pork by decreasing pH, inhibiting the progression of lipid oxidation and the formation of total volatile basic nitrogen (TVB-N), and stabilizing the red colour of the ground pork compared to control samples to which no wine was added. In ground pork, addition of red grape wine led to lower concentrations of thiobarbituric acid reactive substances (TBARS, 0.19–0.39 mg kg<sup>−1</sup>) and TVB-N values (69.1–119.9 mg kg<sup>−1</sup>) than wild grape (0.16–0.43 mg kg<sup>−1</sup> and 72.0–194.1 mg kg<sup>−1</sup>, respectively) or black raspberry wine (0.33–0.58 mg kg<sup>−1</sup> and 81.7–225.4 mg kg<sup>−1</sup>, respectively) up to 10 days of storage. Results from the present study suggested that the quality of ground pork was affected by wine type and storage period. These effects could be due to phenolic compounds as well as other chemical components of the wines.
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