Table 3.
IC50 on inhibition effect on lipid peroxidation, nitric oxide, and superoxide anion scavenging activities.
| Samples/ Positive Control |
IC50 (µg/mL) | ||
|---|---|---|---|
| Lipid Peroxidation | Superoxide Anion | Nitric Oxide | |
| KGLP | 19.70 ± 0.31 c | 11.20 ± 0.25 c | 17.12 ± 0.56 c |
| KGPEK | 21.45 ± 0.38 b | 11.96 ± 0.65 c | 18.81 ± 0.33 b |
| KGDSK | 21.62 ± 0.37 b | 14.78 ± 0.30 ab | 19.38 ± 0.38 b |
| KND | 24.57 ± 0.35 a | 14.05 ± 0.31 b | 21.49 ± 0.34 a |
| KHN | 25.00 ± 0.31 a | 15.60 ± 0.45 a | 22.31 ± 0.36 a |
| Quercetin | 19.57 ± 0.42 c | 9.40 ± 0.37 d | 17.54 ± 0.30 c |
| Cyanidin-3-O-glucoside | 16.64 ± 0.38 d | 9.55 ± 0.34 d | 13.76 ± 0.28 d |
| l-ascorbic acid | ND | 7.55 ± 0.31 e | ND |
| Curcumin | ND | ND | 6.68 ± 0.28 e |
All values are expressed as mean ± standard deviation (n = 3). Different letters in each method indicate a significant difference (p < 0.05). ND = Not determined.