Abstract

Elaneer kuzhambu and Karpuradi kuzhambu are two ocular preparation s refer red in Sahasrayoga . According to tradition, Pitaka rohini is added in the se preparation s. Pitaka rohini is considered as stem bark of G ambhari , Gmelina arborea Roxb . according to Ayurvedic Formulary of India . However according to tradition, Pitaka rohini i s considered as Coptis teeta Wall and its rhizomes are used in these preparations. Coptis teeta Wall . is a perennial stem less herb belonging to th e family Ranunculacene. HPTLC evaluation of the above two preparations have shown the presence of the active i ngredient Berberine . Berberine is present in D aruharidra , Berberis aristata . HPTLC studies showed the presence of Berberine in the rhizomes of Pitaka rohini, Coptis teeta Wall. But Berberine was no t detected in the stem bark of Gambhari, Gmelina arborea Ro xb. The present study deals with Pharmacognostic evaluation ( macroscopic, microscopic, physicochemical, powder microscopy ) and HPTLC studies of the rhizomes of Coptis teeta Wall. This study will help in standardization of samples of whole, cut or powdered rhizome samples of Coptis teeta Wall and also help to identify the Berberine content in the rhizomes as well as in the formulation s.

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