Medicinal plants have been used for health care since long time ago. It has been documented and passed down through the generations for over 4,000 years. Numerous medicines have been made available for many important global diseases since scientific investigations began in the early part of the 19th century. Now, in the early part of the 21st century, an urgency to explore these traditional remedies at molecular level by application of biotechnology to meet patient needs the world over has emerged.