Table 3 GSH, MDA and AOPP levels from control, kefir, ISO, and kefir+ISO groups (n=8)

Parameters	Control groupX±SX	Kefir groupX±SX	ISO groupX±SX	Kefir+ISO groupX±SX	p-value
GSH (mg/dL)	2.7±0.01ab	3.1±0.02a	2.5±0.01b	2.9±0.02a	0.029
MDA (nmol/mL)	1.75±0.01c	2.16 ±0.14bc	3.30±0.20a	2.74±0.26b	0.001
AOPP(µmol/L)	91.26±0.15bc	88.59±0.85c	104.53±1.59a	94.59±1.28b	0.001

^a-c The difference between groups averages with different letters on the same line is statistically significant.
GSH, glutathione; MDA, malondialdehyde; AOPP, advanced oxidation protein products.