D-xylotetraono-1,5-lactone + H2O = D-xylotetraonate + H(+)
d-xylotetraono-1,5-lactone + h2o = d-xylotetraonate + h(+)
D-xylotetraono-1,5-lactone + H2O = D-xylotetraonate + H(+)
d-xylotetraono-1,5-lactone + h2o = d-xylotetraonate + h(+)