Since the beginning of human civilization, medicinal plants have been used by mankind due to its therapeutic value, least toxicity and cost effective. Nature has been a source of medicinal agents for thousands of years and an impressive number of modern drugs have been isolated from natural sources. Many of these isolations were based on the uses of the agents in traditional medicine. The plant-based, traditional medicine systems continues to play an essential role in health care, with about 80% of the worlds inhabitants relying mainly on traditional medicines for their primary health...