TABLE 1.
Total bioactive contents and antioxidant properties of C. burhia aerial and root extracts.
| Extracts | Total bioactive contents |
Antioxidant assays |
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| Total phenolic content (mg GAE/g) | Total flavonoid content (mg QE/g) | Radical scavenging activity |
Reducing power |
Total antioxidant capacity (TAC) |
Ferrous chelating |
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| DPPH (mgTE/g extract) | ABTS (mgTE/g extract) | FRAP (mgTE/g extract) | CUPRAC (mgTE/g extract) | Phosphomolybdenum (mgTE/g extract) | Metal chelating (mgEDTAE/g) | |||
| CbA-M | 28.35 ± 0.56 | 21.76 ± 0.83 | 41.25 ± 0.86 | 94.05 ± 2.94 | 64.23 ± 1.74 | 107.62 ± 3.65 | 8.60 ± 0.21 | 1.40 ± 0.06 |
| CbA-D | 27.62 ± 1.14 | 12.64 ± 0.16 | 21.05 ± 0.48 | 48.22 ± 0.81 | 48.54 ± 3.03 | 106.01 ± 2.75 | 60.46 ± 1.74 | 2.24 ± 0.11 |
| CbR-M | 37.69 ± 1.13 | 83.11 ± 0.93 | 50.04 ± 1.85 | 86.21 ± 0.93 | 53.87 ± 1.81 | 139.96 ± 5.21 | 12.47 ± 0.45 | 1.40 ± 0.05 |
| CbR-D | 29.58 ± 0.36 | 26.68 ± 0.22 | 48.13 ± 1.44 | 64.67 ± 2.81 | 48.11 ± 1.93 | 98.66 ± 2.01 | 21.02 ± 0.41 | 2.07 ± 0.17 |
CbA-M, C. burhia aerial methanol; CbA-D, C. burhia aerial DCM; CbR-M, C. burhia root methanol; CbR-D, C. burhia root DCM.
Data from three repetitions, with mean ± standard deviation. GAE, gallic acid equivalent; QE, quercetin equivalent; TE, trolox equivalent; EDTAE, EDTA equivalent. All values expressed are means ± SD. of three parallel measurements.