L-galactono-1,5-lactone + NADH + H(+) => L-galactose + NAD(+)
l-galactono-1,5-lactone + nadh + h(+) => l-galactose + nad(+)
L-galactono-1,5-lactone + NADH + H(+) => L-galactose + NAD(+)
l-galactono-1,5-lactone + nadh + h(+) => l-galactose + nad(+)