Various medicinal properties are attributed to natural herbs. Medicinal plants represent the most source of recent prescription drugs and care product. The historical back drop of plants being used for medicative purpose is perhaps as old because the history of human race. Extraction and classification of many active phytocompounds from these green factories have born to some high activity profile medicine. A growing body of proof indicates that secondary plant metabolites play major roles in human health and will be nutritionally vital. Phytochemical screening of plants has disclosed the presence chemicals as well as steroids, alkaloids, tannins, flavonoids, glycosides, saponins, phenols, aminoacid, carbohydrate, terpenoids etc. several plant extracts and phytochemicals show antioxidant/free radical scavenging properties (Larson 1988; Nair et al., 2007; Parekh and Chanda, 2007). Secondary metabolites of plants act as defense mechanisms against predation by several microorganisms, insects and herbivores (Lutterodt et al., 1999; Marjorie, 1999).