L-galactono-1,4-lactone + 2 Fe(III)-[cytochrome c] = L-ascorbate + 2 Fe(II)-[cytochrome c] + 3 H(+)
l-galactono-1,4-lactone + 2 fe(iii)-[cytochrome c] = l-ascorbate + 2 fe(ii)-[cytochrome c] + 3 h(+)
L-galactono-1,4-lactone + 2 Fe(III)-[cytochrome c] = L-ascorbate + 2 Fe(II)-[cytochrome c] + 3 H(+)
l-galactono-1,4-lactone + 2 fe(iii)-[cytochrome c] = l-ascorbate + 2 fe(ii)-[cytochrome c] + 3 h(+)