D-galactaro-1,5-lactone + NADH + H(+) => beta-D-galacturonate + NAD(+)
d-galactaro-1,5-lactone + nadh + h(+) => beta-d-galacturonate + nad(+)
D-galactaro-1,5-lactone + NADH + H(+) => beta-D-galacturonate + NAD(+)
d-galactaro-1,5-lactone + nadh + h(+) => beta-d-galacturonate + nad(+)