Table 3.
Reducing power of hot-water extracts from Aster scaber in the cultivated field

Samples1) Reducing power (Absorbance 700 nm)
62.5 μg/mL 125 μg/mL 250 μg/mL 500 μg/mL 1,000 μg/mL
CRA 0.05 0.00o 0.10 0.00n 0.15 0.00m 0.26 0.00k 0.48 0.01i
CRDA 0.04 0.00o 0.16 0.00m 0.23 0.00l 0.53 0.01h 1.03 0.00d
CBDA 0.12 0.00n 0.20 0.00l 0.34 0.01j 0.67 0.01f 1.19 0.05c

BHT2) 0.27 0.00k 0.57 0.01g 0.88 0.01e 1.36 0.01b 1.53 0.04a
WRA ; Aster scaber was harvested in the wild field, WRDA ; Aster scaber was harvested in the wild field, and dryed at 25℃, WBDA ; Aster scaber was harvested in the wild field, dryed at 25℃ after blanched for 20min. in water of 100℃, CRA ; Aster scaber was cultivated in the field, CRDA ; Aster scaber was cultivated in the field, and dryed at 25℃, CBDA ; Aster scaber was cultivated in the field, dryed at 25℃ after blanched for 20min. in water of 100℃.
BHT : butylated hydroxy toluene.
All values are expressed as Mean±SD of triplicate determinations.
Different superscripts within the column are significantly different at p<0.05 by Duncan's multiple range test.