Table 4.

Inhibition of DNA oxidation by PTS was measured in terms of nmoles 8-OHdG/100 ng DNA in TBHP and As-Fe²⁺mediated oxidatively damaged rat liver mitochondria

	nmoles 8-OHdG/100 ng DNA
	TBHP	As-Fe2+
Control	0.003 ± 7.2E-05a	0.003 ± 7.6E-05a
Damage	0.014 ± 1.0E-04b	0.013 ± 4.2E-05b
0.05 mM	0.007 ± 1.0E-03c	0.006 ± 7.9E-05c
0.10 mM	0.006 ± 9.9E-04d	0.006 ± 2.5E-06c
0.15 mM	0.005 ± 7.7E-04e	0.004 ± 1.1E-04d
0.20 mM	0.003 ± 4.5E-04a	0.003 ± 7.9E-04a

Values are expressed as mean ± SE. Dissimilar alphabets in superscript indicate significant difference at p< 0.05.