Determination of the Chemical Composition, Antioxidant, and Enzyme Inhibitory Activity of Onosma mollis DC
Table 3
Antioxidant activity of O. mollis extracts.
Antioxidant activity
EtOAc
MeOH
Water
Trolox
EDTA
Phosphomolybdenum
(EC50: mg/ml)
3.31 ± 0.03c
2.01 ± 0.22b
3.28 ± 0.14c
1.05 ± 0.02a
—
(mg TEs/g extracts)
315.25 ± 3.33b
521.22 ± 56.20a
317.31 ± 13.31b
—
—
DPPH scavenging
(IC50: mg/ml)
95.732.55c
3.33 ± 0.07ab
5.78 ± 0.45b
0.29 ± 0.01a
—
(mg TEs/g extracts)
2.97 ± 0.07c
77.66 ± 1.72a
45.09 ± 3.43b
—
—
ABTS scavenging
(IC50: mg/ml)
>20.00c
2.30 ± 0.06b
2.75 ± 0.28b
0.26 ± 0.03a
—
(mg TEs/g extracts)
5.24 ± 0.06b
117.79 ± 2.92a
98.97 ± 10.08a
—
—
CUPRAC reducing
(EC50: mg/ml)
3.96 ± 0.08d
1.48 ± 0.01b
2.30 ± 0.14c
0.24 ± 0.01a
—
(mg TEs/g extracts)
67.93 ± 1.34c
182.03 ± 0.19a
117.03 ± 7.09b
—
—
FRAP reducing
(EC50: mg/ml)
2.61 ± 0.10d
0.79 ± 0.01b
1.44 ± 0.06c
0.10 ± 0.01a
—
(mg TEs/g extracts)
38.22 ± 1.48c
125.80 ± 0.14a
69.12 ± 2.89b
—
—
Ferrous ion chelating
(IC50: mg/ml)
2.58 ± 0.02c
2.40 ± 0.18c
1.01 ± 0.02b
—
0.06 ± 0.004a
(mg EDTAEs/g extracts)
21.11 ± 0.19b
22.67 ± 1.71b
53.72 ± 1.27a
—
—
TEs: trolox equivalent. EDTAEs: ethylene diamine tetra acetic acid (disodium salt) equivalent. The different superscripts within the same row are different statistically at a 5% significance level.