D-galactose + NAD(+) => D-galactono-1,4-lactone + NADH + H(+)
d-galactose + nad(+) => d-galactono-1,4-lactone + nadh + h(+)
D-galactose + NAD(+) => D-galactono-1,4-lactone + NADH + H(+)
d-galactose + nad(+) => d-galactono-1,4-lactone + nadh + h(+)