Phytases more specifically catalyse the hydrolysis of phytic acid in a stepwise manner to lower inositol phosphates, myo-inositol and inorganic phosphate (Vats and Banerjee, 2004)
.
As for the α-galactosidase activity of the Apizym test, most strains were positive except two isolates which were able to ferment raffinose in the API 50CHL test kit.