phloretate + NAD(+) => (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(+)