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Curcumin, the active principle of turmeric used in Indian curry is known for its antitumor, antioxidant, antiarthritic, anti-ischemic and anti-inflammatory properties and might inhibit the accumulation of destructive beta-amyloid in the brains of Alzheimer's disease patients. A Parkinsonian model in rats was developed by giving 6-hydroxydopamine (10μg/2μl in 0.1% ascorbic acid–saline) in the right striatum. After 3weeks of lesioning, the behavior activities (rotarod, narrow beam test, grip test and contra-lateral rotations) were increased in a lesioned group as compared to a sham group and these activities were protected significantly with the pretreatment of curcumin. A significant protection on lipid peroxidation, glutathione, glutathione peroxidase, glutathione reductase, superoxide dismutase, catalase, tyrosine hydroxylase and D₂ receptor binding was observed in the striatum of lesioned group animals pretreated with …