Table 1.

Inhibition constants of acarbose, acarstatin A and acarstatin B towards human salivary α-amylase and porcine pancreatic α-amylase.

Inhibitors	Human salivary α-amylase		Porcine pancreatic α-amylase
	Ki	Inhibitory potency	Ki	Inhibitory potency
Acarbose	4.01 μM	–	6.54 μM	–
Acarstatin A	2.53 nM	1584	4.16 nM	1573
Acarstatin B	2.72 nM	1478	8.81 nM	742