essential resource for human well-being. Just think about how everyday life depends on plants. They are used as materials for shelter, nourishment, technology and healthcare. Plants are also used as natural medicines. They can also be used directly as tea or in other extracted forms for their natural chemical constituents, and may be used as agents in the synthesis of drugs. Plants also enhance the environment with their beauty and help other living creatures. Plants help other creatures to survive
used were derived from "ethnomedical" plant sources (Fabricant and Farnsworth, 2001). 1.2 Plant Metabolites Plants are possessing the ability to synthesize various phytochemicals to defend them from the attack of various predators like insects, fungi and herbivorous mammals. Even though few of these compounds are being toxic to plant predators, they also inherits beneficial effects which can be used to treat various human diseases. The plant secondary metabolites are structurally diverse, many