Objectives: To evaluate quality standards and to screen antioxidant activity of Cuvacakutori Chooranam (CC) a poly herbomineral Siddha formulation. Methods: The drug was prepared with authenticated ingredients. Powder microscopic, phytochemical, physicochemical, HPTLC fingerprint profiling (n-hexane, successive chloroform, successive ethanol), total phenol and flavonoid estimation, 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging and superoxide scavenging activities of CC were studied. Results: Microscopic studies revealed diagnostic features to identify the formulation using microscope. Preliminary phytochemical screening revealed the presence of different secondary metabolites, unique chromatographic fingerprint and antioxidant activities. Conclusion: The powder microscopic characters and the evolved physicochemical data arrived could serve as a reference tool for quality control. The presence of different categories of phytochemicals and antioxidant activity of the drug gives broad scope for further efficacy studies of this drug.

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