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IC50 values of extract of Ruppia cirrhosa and isolated compounds from R. cirrhosa.
| Extracts and Compounds | DPPH· 1 IC50 (μg/mL) |
|---|---|
| R. cirrhosa crude extract (October) | 175.7 ± 7.8 |
| R. cirrhosa crude extract (August) | 152.9 ± 8.1 |
| R. cirrhosa purified extract | 31.8 ± 0.7 |
| 3 + 4 | 12.1 ± 2.2 |
| 5 + 6 | 88.4 ±7.0 |
| 7 + 8 | 51.7 ± 6.8 |
| CA | 23.0 ± 3.2 |
1 IC50 values calculated by linear regression of % scavenging and logarithmic concentration.
