Table 2
Concentration of 8-oxodG before and after 20 min physical activity (mean ± SE) in blood serum after periods with and without tomato juice intake
	without TJ		5 weeks with TJ		5 weeks without TJ		5 weeks with TJ
8-oxodG ng/ml	A1	A2	B1	B2	C1	C2	D1	D2
	0.52±0.11	0.74±.0.14	0.56±0.13	0.46±0.06	0.45±0.08	0.83±0.16	0.31±0.06	0.39±0.06

A1, A2, B1 and B2; n=15. For C1 and C2; n=11 while for D1 and D2; n=9.

TJ: tomato juice.

Samples A1, B1, C1 and D1: the level of 8-oxodG before 20 min physical activity.

Samples: A2, B2, C2 and D2: the level of 8-oxodG 1h after 20 min physical activity.

Harms-Ringdahl et al. Nutrition Journal 2012 11:29   doi:10.1186/1475-2891-11-29