Table 3.
Reducing power of ethanol extracts from Aster scaber (Absorbance at 700 nm)

Samples1)	Reducing power (μg/mL)
	62.5	125	250	500	1,000
	WRA	0.14±0.00b3)	0.22±0.01b	0.43±0.01b	0.85±0.01b	1.48±0.03b
WRDA	0.01±0.00g	0.12±0.00e	0.21±0.00f	0.34±0.01f	0.60±0.05f
WBDA	0.08±0.00f	0.15±0.00d	0.27±0.01d	0.54±0.00d	1.00±0.01d
CRA	0.11±0.00e	0.15±0.01d	0.23±0.00e	0.43±0.01e	0.84±0.01e
CRDA	0.12±0.00d	0.18±0.00c	0.31±0.02c	0.60±0.01c	1.07±0.02c
CBDA	0.13±0.00c	0.21±0.02b	0.32±0.00c	0.60±0.02c	1.07±0.02c
BHT2)	0.27±0.00a	0.57±0.01a	0.88±0.01a	1.36±0.01a	1.53±0.04a

WRA, Aster scaber grow in the wild; WRDA, Aster scaber grow in the wild, and dried at 25°C; WBDA, Aster scaber grow in the wild, and dried at 25°C after blanching; CRA, Aster scaber cultivated in the farm field; CRDA, Aster scaber cultivated in the farm field, and dried at 25°C, CBDA; Aster scaber cultivated in the farm field, and dried at 25°C after blanching.
BHT, butylated hydroxy toluene.
All values are expressed as mean±SD of triplicate determinations. Different letters indicate significantly different at p<0.05 by Duncan’s multiple range test.