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Anethum Graveolens Linn (Umbelliferae) Extract Attenuates Stress-induced Urinary Biochemical Changes and Improves Cognition in Scopolamineinduced Amnesic Rats
Abstract
anti-stress and cognition-improving effects of A. graveolens extract in a rat model.
Methods: Urinary vanillylmandelic acid (VMA) and ascorbic acid were estimated as biomarkers for evaluating antistress activity in rats. Conditioned avoidance response using Cook’s pole climbing
apparatus in normal and scopolamine-induced amnestic rats was used to assess cognitive-improving activities. Thiobarbituric acid reactive substances (TBARS) assay was used to evaluate antioxidant
activity.
Results: Daily administration of A. graveolens at doses of 100, 200 and 300 mg/kg body weight 1 h prior to induction of stress inhibited stress-induced urinary biochemical changes in a dose-dependent manner without altering the levels in normal control groups. Changes in cognition (as determined by the acquisition), retention and recovery in rats were dose-dependent. The extract also produced significant lipid peroxidation inhibition in both rat liver and brain, compared to a reference standard antioxidant, ascorbic acid.
Conclusion: The aqueous extract of A. graveolens exhibited significant anti-stress, antioxidant and memory enhancing activities. The study provides a scientific basis for the traditional use of the plant as
a culinary spice in foods.
