Antioxidant Properties and Cardioprotective Mechanism of Malaysian Propolis in Rats

Table 3

Effects of MP and ISO on the activities of superoxide dismutase (SOD), glutathione reductase (GRx), glutathione peroxidase (GPx), and glutathione-S-transferase (GST) in the heart tissue of normal and treated rats.

Parameters	Treatment
	Control	MP	ISO	MP + ISO
SOD (units/mg of protein)
GRx (nmol NADPH oxidized/min/mg of protein)
GPx (nmol NADPH oxidized/min/mg of protein)
GST (nmol CDNB conjugated/min/mg of protein)

Data are presented as means ± SD, .
Values in the same row that do not share superscript letters (a, b, and c) indicate significant difference at .
MP: Malaysian Propolis. ISO: isoproterenol.