Table 1 The antioxidant activity of crude extracts of different parts of black sea cucumber
From: An antioxidant activity of the whole body of Holothuria scabra
Type of extract | Concentration (μg/ml) | % inhibition | Regression equation | EC50 (μg/ml) |
|---|---|---|---|---|
Crude extract | ||||
Whole body | 10 | 18.89 ± 0.09 | \( {\text{Y}}\; = \; 1. 3 2 5 5 {\text{X}}\; + \; 5. 3 4 1 \) | 33.77 ± 0.24 |
20 | 32.08 ± 0.17 | |||
30 | 44.00 ± 0.23 | |||
40 | 58.11 ± 0.17 | |||
50 | 72.00 ± 0.43 | |||
Pure compound | ||||
Compound 1 | 5 | 14.44 ± 0.15 | \( {\text{Y}}\; = \; 3. 800 8 {\text{X}}\; - 5. 6 \) | 14.63 ± 0.01 |
10 | 31.52 ± 0.08 | |||
15 | 50.88 ± 0.74 | |||
20 | 70.00 ± 0.09 | |||
25 | 90.22 ± 0.15 | |||
Compound 2 | 5 | 9.56 ± 0.15 | \( {\text{Y}}\; = \; 4. 1 7 9 6\; - \; 1 1.0 9 4 \) | 14.62 ± 0.01 |
10 | 30.11 ± 0.08 | |||
15 | 52.56 ± 0 | |||
20 | 73.33 ± 0.26 | |||
25 | 92.44 ± 0.09 | |||
Compound 3 | 5 | 13.44 ± 0.01 | \( {\text{Y}}\; = \; 3. 9 1 2 4 {\text{X}}\; - \; 7. 8 3 6 \) | 14.78 ± 0.11 |
10 | 29.77 ± 0.23 | |||
15 | 50 ± 0.22 | |||
20 | 69.81 ± 026 | |||
25 | 91.23 ± 0.33 | |||
Ascorbic acid | 5 | 2.34 ± 0.09 | \( {\text{Y}}\; = \; 4. 80 6 {\text{X}}\; - \; 2 1. 60 2 \) | 14.90 ± 7.5E−3 |
10 | 25.97 ± 0 | |||
15 | 51.44 ± 0.09 | |||
20 | 74.43 ± 0.09 | |||
25 | 98.26 ± 0.17 | |||