ABSTRACT
The biological activitites of Dikamaliartane-A, a cycloartane isolated from gum resin Dikamali of Gardenia gummifera/Gardenia lucida was screened for some pharmacological actions. The study was carried out using albino mice (20-25gr). It reduced locomotor activity and potentiated pentobarbitone-induced sleeping time in mice indicating Central Nervous System depressant activity. It protected mice from strychnine and electro shock–induced convulsions indicating that it has anti-convulsant activity. All these activities were statistically significant. The LD50 (Lethal Dose) was carried out in mice according to Organization for Environmental Cooperation and Development (OECD) Guidelines 423. The LD50 was tested in three mices for each dose with doses from 5mg/kg, 50mg/kg, 300mg/kg and 2000mg/kg. The LD50 was found to be 500mg/kg.