Table 6
Inhibition activity of extracts from Aster scaber on elastase

Sample Elastase inhibition activity (%)
Phenolic content (μg/mL)
50 100 150 200
Water extracts 23.22±1.23a1) 35.39±1.70b 37.65±1.88b 45.48±0.69c
Ethanol extracts 1.13±1.04a 8.96±0.45b 13.30±1.29c 14.35±1.18c
Epigallocatechin-gallate 55.54±2.07a 62.03±3.35b 67.78±1.46bc 73.25±3.03c
Mean±SD (n=6), means with different superscript letters within level are significantly different at p<0.05 by Duncan's multiple range tests. Epigallocatechin-gallate was used for control.