Table 5
α-Glucosidase inhibitory activity of catechu, gallnut, clove, and mixtures (%)

Sample	Sample concentration (μg/mL)
Sample	31.25	62.5	125
Catechu	72.84±1.13^aB1)	83.49±0.88^bF	91.36±0.22^cE
Gallnut	67.03±1.76^aA	80.01±0.96^bD	91.05±0.18^cE
Clove	66.56±0.91^aA	68.27±0.72^aA	72.66±1.02^bA
Catechu+gallnut	71.93±1.59^aB	81.72±0.89^bE	91.65±0.56^cE
Catechu+clove	70.29±1.23^aB	75.94±0.55^bC	87.00±0.77^cC
Gallnut+clove	65.95±2.00^aA	70.98±1.52^bB	84.54±0.54^cB
Catechu+gallnut+clove	70.98±0.96^aB	78.93±0.72^bD	89.54±0.20^cD
Acarbose²⁾	57.82±0.48^a	59.25±0.44^b	60.22±0.48^c

¹⁾Each value represents mean±SD (n=3). Means with different superscript (a-c) in the same row are significantly different at p<0.05. Means with different superscript (A-F) in the same column are significantly different at p<0.05.
²⁾Positive control.