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.