of 0.5% (w/v) γ-cyclodextrin and TfMA at 95 °C in sodiumacetate buffer
(50 mM, pH 5.5) for 10 min. The absorbance at 575 nm of the reaction
mixture previously boiled with DNS solution was converted into the
amount of reducing sugars by a maltose standard curve. One unit of
enzymatic activity was defined as the amount of enzyme required to
produce 1 μmol of reducing sugars per minute.