(E)-4-coumarate + NADH + H(+) => phloretate + NAD(+)
(e)-4-coumarate + nadh + h(+) => phloretate + nad(+)
(E)-4-coumarate + NADH + H(+) => phloretate + NAD(+)
(e)-4-coumarate + nadh + h(+) => phloretate + nad(+)