Preliminary Phytochemical Screening of Flowers, Leaves, Bark, Stem and Roots of Rhododendron arboreum

2 Abstract: Rhodendron arboreum is a plant of northern area of Pakistan was screened for its active chemical ingredients. Preliminary phytochemical screening of various parts viz flowers, leaves, bark, stem and roots, using conventional natural products identification tests indicated the presence of different classes of secondary metabolites such as alkaloids, steroids, flavonoids, terpenoids, anthraquinones, phlobatanins, saponins, glycosides, tannins and reducing sugars. These secondary constituents vary in type in different parts of the plant. The presence of these secondary metabolites signifies the potential of Rhodendron arboreum as a source of therapeutic agent. Infrared spectroscopic analysis of the methanolic extract of flowers leaves, bark, stem and roots of Rhodendron arboreum indicated the presence of O-H, C=O, C-H, C=O, C=C, NH def, NO and C-O-C 2 bond stretching. The medicinal values of Rhodendron arboreum are due to the presence the detected metabolites.