Table 3. Antioxidant (ABTS and DPPH radicals) activities from the partitioned portions and compounds from 70% EtOH extract of Calystegia soldanella

	ABTS	DPPH
70% EtOH	167.5 ± 9.4 µg/mL	379.8 ± 9.8 µg/mL
Partition
n-Hexane-soluble layer	> 200 µg/mL	> 200 µg/mL
EtOAc-soluble layer	> 200 µg/mL	> 200 µg/mL
n-BuOH-soluble layer	69.1 ± 10.0 µg/mL	120.6 ± 4.9 µg/mL
Water	166.6 ± 4.2 µg/mL	> 200 µg/mL
Compounds
1	33.2 ± 1.1 µM	82.5 ± 4.9 µM
2	37.7 ± 0.3 µM	146.8 ± 5.2 µM
3	> 200 µM	> 200 µM
4	31.9 ± 2.4 µM	52.3 ± 3.9 µM
5	27.4 ± 0.6 µM	47.0 ± 1.9 µM
6	> 200 µM	> 200 µM
7	19.7 ± 0.3 µM	70.0 ± 5.7 µM
8	12.4 ± 0.1 µM	37.9 ± 0.5 µM
Ascorbic acid	24.4 ± 0.4 µM	74.4 ± 0.7 µM