Table 7.
Antiprotozoal activity expressed as growth inhibition (%) of extracts and fractions obtained from marine seaweeds.
| Species | Extracts | Leishmania braziliensis (promastigotes) | Trypanosoma cruzi (epimastigotes) |
|---|---|---|---|
| Anadyomene saldanhae | FS | 87.9 | − |
| Botryocladia occidentalis | DS | 20.7 | − |
| Bryothamnion seaforthii | DS | 33.5 | − |
| Canistrocarpus cervicornis | FS | 85.8 | − |
| Caulerpa cupressoides | FS | 51.7 | − |
| Dictyota sp. | DS | 93.3 | 60.4 |
| Digenea simplex | DS | 26 | − |
| Gracilaria caudata | DS | 9.3 | − |
| Grateloupia cuneifolia | FS | 35.2 | 15.9 |
| DS | 37 | 23.98 | |
| Laurencia dendroidea | FS | 14.6 | − |
| Ochtodes secundiramea | FS | 99.7 | − |
| Padina sp. | FS | 80.9 | − |
| Palisada flagellifera | DS | 21 | − |
Extracts and fractions concentration: 50 µg/mL; (−): no activity; DS: extract obtained from dried seaweeds using CH2Cl2/MeOH (2:1); FS: extract from fresh seaweeds using Me2CO.