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Abstract

PHYTOCHEMICAL SCREENING AND EVALUATION OF ANTI OXIDANT ACTIVITY OF DIFFERENT PARTS OF DENDROBIUM OCHREATUM.

Janmajoy Banerjee*, Biplab Kumar Dey, Hemanta Khanal, Bibek Dahal

ABSTRACT

This study was performed to evaluate the presence of Phytochemical, antimicrobial and antioxidant activity of Dendrobium ochreatum. (Orchidaceae) stem, root leaf extracts.in this study nine different solvent extracts were subjected to examination. Preliminary phytochemical analysis revealed that the ethanolic extract of root, stem and hexane: ethanol extract of stem shown the maximum phytochemical constituents followed by ethanol extract of leaves. Ethyl acetate extract of stem possess moderate 1,1-diphenyl-2- picrylhydrazyl (DPPH) radical scavenging activity (IC50 172.27μg/ml), ABTS assay (IC50 140.06μg/ml) This research findings suggest that Dendrobium ochreatum exhibits potential antioxidant properties.

Keywords: Dendrobium ochreatum, 1,1-diphenyl-2-picrylhydrazyl (DPPH), ABTS.


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