It is shown that the combination of endopeptidase (alcalase) and exopeptidase (flavourzyme) for morigan leaf hydrolyses through two-steps method (Step 1: alcalase 0.6 AU / g protein, at 500C, pH = 8.0, 3 hours; Step 2: flavourzyme 15 LAU / g protein; 500C; 6.5; 4 hours) gave DH value of 63.7%.