Table 4. Lipid oxidation expressed as TBARS value and antioxidant activity expressed as DPPH radical scavenging activity of porcine M. subscapularis muscle from LYD, Berkshire, and Ibérico pigs at different storage period

Items	LYD	Berkshire sow	Berkshire barrow	Ibérico	SEM¹⁾
TBARS (mg MDA/kg)
1 d	0.20^by	0.16^by	0.15^by	0.35^ay	0.02
7 d	0.54^dx	0.56^cx	0.59^bx	0.75^ax	0.00
SEM¹⁾	0.00	0.02	0.01	0.00
DPPH radical scavenging activity (%)
1 d	50.89^a	52.73^a	49.27^a	43.06^bx	1.37
7 d	50.51^a	50.51^a	52.56^a	38.95^by	1.27
SEM¹⁾	0.81	1.00	1.39	0.59

Values with different superscripts letters within the same row differ significantly (p<0.05).
Values with different letters within the same column differ significantly (p<0.05).
n=12.
TBARS, thiobarbituric acid-reactive substances; DPPH, (2,2-diphenyl-1-picrylhydrazyl) radical scavenging activity; LYD, Landrace×Yorkshire× Duroc.