EVALUATION OF ANTISTRESS ACTIVITY OF ETHANOLIC EXTRACT OF CHROMOLAENA ODORATA LEAVES IN ALBINO WISTAR RATS
Objective: The objective of this study was to study the effect of ethanolic extract of Chromolaena odorata (EECO) Linn. on acute restraint stress (ARS)-induced stress-like behavior and biochemical alterations in albino Wistar rats.
Methods: The ARS was induced by immobilizing the rats for a period of 12 h using rodent restraint device preventing them from any physical movement. Immediately, after 12 h rats were released and doses were given to each rat. 40 min post-release various behavioral parameters such as immobility time in force swim test and tail suspension test (TST), locomotor activity in open field test (OFT), and oxidative stress parameters and biochemical alterations in rat brain tissue were also performed.
Statistical Analysis: Expression of data was done as mean±standard error of mean. The normally distributed data were subjected to one-way ANOVA followed by Dunnett’s test. p<0.05 was considered statistically significant.
Results: Experimental findings revealed that rats subjected to ARS exhibited significant increase in immobility time in forced swim test and TST models, decrease in locomotor activity in OFT model, and increase in malondialdehyde formation and impaired superoxide dismutase, and catalase activities in hippocampus and cerebral cortex as compared to non-stressed rats. EECO treatment (250 mg/kg and 500 mg/kg) significantly attenuated immobility time, locomotion, and restored the antioxidant enzymes after ARS.
Conclusion: EECO significantly alleviated ARS-induced stress-like behavior.
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