| Summary: | Introduction: The objective of the study was to assess the potential of the leaf of Dicranopteris linearis in altering the CNS functions with three different extracts; aqueous, ethanol and ethyl acetate.Methods: To evaluate and compare the activities Morris maze, elevated plus maze (EPM),open field, hole cross and head dip tests were performed and many behavioral parameters wereobserved. The forced swim in Morris water maze analyzed the depression of rodents in termsof inability to self-rescue. Alongside, hole cross and open field tests assessed the inhibition oflocomotor activities. Moreover, EPM test screened the anxiolytic potential while the head dippinghole board test supported the previous experiments by evaluating both sedative, depressive andanxiolytic potentials of the extracts.Results: The results showed that the ethanol extract significantly suppressed CNS activity byreducing number of locomotor activities and increasing the stability phase (in EPM and Morrismaze) supporting mild sedation, depression and anxiolysis. Furthermore, the ethyl acetate extractalso possessed moderate to high potential in reducing locomotor activities depending on gradientdoses. Results were compared with control group and found statistically significant.Conclusion: As this plant mimic the activity of a gamma-aminobutyric acid (GABA) agonist, itcan be concluded that the plant may have GABA mediated involvement in central nervous system.However, the responsible compounds for these activities are yet to be investigated and this maypotentiate a new source of drug development.
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