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Phytochemicals – Herbochem

Phytochemicals – Curcumin

Curcumin (Curcuma Longa) Botanical Name : Digitalis lanata Common Name : Digoxin Plant Part Used : Leaves Composition: Digoxin Description : White or Almost white powder, or colourless crystals Identification a) Infrared Absorption : To corresponds with the reference spectrum b) By HPLC : The retention time of the major peak in the chromatogram of the assay preparation corresponds to that of the standard preparation as obtained in the assay c) By TLC : To corresponds with the standard solution Loss on Drying : NMT 1.0% w/w Residue on ignition : NMT0.5% Related Glycosides : MT 3% of any related Glycosides as gitoxin Organic volatile impurities : NMT 2000 µg/gm( the limits of Methelene chloride and chloroform) Assay BY HPLC on dried basis : 95 to 101%

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