Table 4.

SOD and MDA expressions in esophageal tissue

Group	MDA (nmol/mg prot)	SOD (U/mg prot)
n-3 PUFAs	1.3 ± 0.36*#	41.6 ± 2.67*#
n-6 PUFAs	2.1 ± 0.26*Δ	32.3 ± 7.69
Control	2.5 ± 0.54*	28.5 ± 6.05*
Sham operation	0.7 ± 0.42	35.2 ± 7.24

*P < 0.05 vs sham operation group; #P < 0.05 vs other groups; ΔP < 0.05 vs control groups; MDA malonaldehyde, SOD superoxide dismutase, PUFA polyunsaturated fatty acids