Tomato Powder Modulates NF-κB, mTOR, and Nrf2 Pathways during Aging in Healthy Rats

Table 2

Effects of TP supplementation on serum and liver MDA levels and liver antioxidant enzymes in healthy rats.

Markers	Groups (age at examination)
	10 weeks old		77 weeks old
	Control	TP	Control	TP
Serum MDA (nmol/mL)	1.31 ± 0.06^c	0.97 ± 0.08^d	2.76 ± 0.09^a	1.83 ± 0.06^b	0.003
Liver MDA (nmol/mg protein)	4.60 ± 0.15^c	3.16 ± 0.21^d	7.72 ± 0.56^a	5.50 ± 0.22^b	0.001
Liver SOD (U/mg protein)	184.07 ± 5.50^b	234.48 ± 6.99^a	123.21 ± 8.35^d	157.52 ± 8.29^c	0.001
Liver CAT (U/mg protein)	265.88 ± 11.30^b	289.51 ± 9.16^a	204.38 ± 7.63^d	226.43 ± 9.19^c	0.008
Liver GPx (U/mg protein)	33.26 ± 1.10^b	46.20 ± 1.33^a	15.55 ± 1.81^d	24.38 ± 0.93^c	0.01

MDA: malondialdehyde; SOD: superoxide dismutase; CAT: catalase; GPx: glutathione peroxidase. Data are the standard error of the mean (SEM). Mean values within a row with different superscript letters were significantly different at .