D-maltotrionate + H(+) => D-maltotriono-1,5-lactone + H2O
d-maltotrionate + h(+) => d-maltotriono-1,5-lactone + h2o
D-maltotrionate + H(+) => D-maltotriono-1,5-lactone + H2O
d-maltotrionate + h(+) => d-maltotriono-1,5-lactone + h2o