dihydroferulate + NAD(+) => (E)-ferulate + NADH + H(+)
dihydroferulate + nad(+) => (e)-ferulate + nadh + h(+)
dihydroferulate + NAD(+) => (E)-ferulate + NADH + H(+)
dihydroferulate + nad(+) => (e)-ferulate + nadh + h(+)