| Popis: |
Crassin acetate, eunicin and eupalmerin acetate, three cembranolides (14-member ring diterpenoid lactones) derived from Caribbean gorgonians, were tested for their effect on a variety of marine flagellates. Included were three isolates of the genus Symbiodinium whose nonmotile forms occur as symbiotic zooxanthellae in coral reef organisms. Eunicin at a concentration of 5 ppm in seawater immobilized most of the flagellates tested. At 10 ppm eucinin immobilized in 10 min three organisms not affected within 24 h at 5 ppm. Crassin acetate and eupalmerin acetate were found active in limited testing. |
