TABLE 1.

The mixture solution for α‐amylase inhibitory activity determination.

Treatments	Fractionated compounds	Starch solution	α‐Amylase	DNS solution	A540nm
Samples	√	√	√	√	As
Enzyme blank	√	√	X	√	Ab
Sample blank	B	√	√	√	At
Blank	B	√	X	√	Ac

Note: √ Indicates that included in the reaction mixture; X indicates that not included in the reaction mixture; and B indicates only buffer.