Table 2.

Comparison of the vasodilator effect of UK114,542 and quercetin against U46619-induced contractions of the porcine isolated coronary artery under various conditions

	100 nM UK114,542	30 µM Quercetin
Control (E+)	50.3 ± 4.3 (n= 7)	59.5 ± 11.1 (n= 6)
Denuded (E–)	29.2 ± 6.2 (n= 7)*	69.5 ± 13.0 (n= 6)
Control (E+)	65.6 ± 5.5 (n= 7)	61.6 ± 8.8 (n= 7)
3 µM ODQ (E+)	28.3 ± 9.0 (n= 7)*	56.2 ± 10.2 (n= 7)
Control (E+)	58.2 ± 12.0 (n= 8)	80.3 ± 6.3 (n= 15)
100 µM l-NAME (E+)	4.0 ± 2.0 (n= 8)*	52.3 ± 8.7 (n= 15)*

^*A statistically significant difference between control and treatment conditions (P < 0.05, Student's paired t-test).

The responses shown are the percentage relaxations ± SEM (n= 6–15).