Studies on the secondary metabolites from the Indian gorgonian Subergorgia suberosa: isolation and characterization of four analogues of the cardiotoxin subergorgic acid.

Chemical investigation of the methanol extract of the Indian ocean gorgonian coral Subergorgia suberosa resulted in isolation and identification of four novel compounds 2-5. Structural investigation revealed compound 1 to be subergorgic acid and the others its analogues.

Bioactivity of marine organisms: Part VII--Effect of seaweed extract on central nervous system.

Alcohol extracts of marine algae (Rhodophyceae, Phaeophyceae and Chlorophyceae) were screened for their effect on central nervous system. Of 69 species investigated 8 appeared biologically active, 6 being CNS stimulant and two depressant, sites and dates of collection are given.