“… (−)-epicatechin was also … administration of L-NAME [nitric oxide (NO) synthase inhibitor], 7-nitroindazole (neuronal NO synthase inhibitor), ODQ (guanylyl cyclase inhibitor), glibenclamide (ATP-sensitive K+ channel blocker), … K+ channel blocker), and iberiotoxin (large-conductance Ca2+-activated K+ channel blocker), but not by amiloride (acid sensing ion channel blocker).”