A review on in vitro propagation of medicinal plants

Abstract

Justicia adhatoda, usually known as malabar nut, Adulsa, Adhatoda, Vasa, Vasaka. In tribal name of Justicia adhatoda known as KALA BASA (Encyclopedia, 2013). It is a medicinal plant native to Asia widely used in ayurveda, homeopathy, unani and siddha medicines. Curing of diseases through medicinal plants is one of the oldest human practices and several traditional clinical procedures have been deputed using many plant species. From the last few decades, several hurdles related to the research for novel drugs from natural products have been overcome through the use of new technologies, from pharmaceutical approaches, including the integration of meta-bolomics and genomics approaches to develop traditional methods of studying. The use of the plant for therapeutic purpose, whether in the treatment or natural nutritional products. This has allowed the development of herbal medicines with safety, efficacy and quality which stand out in the international pharmaceutical market. In the mid of 1981 and 2010, 34% of novel herbal drugs and medicines approved by US Food and Drugs Administration were based on molecules or direct derivatives from natural products, including statins, anticancer, antimicrobial and immunosuppressant. Globally, the herbal medicines market trades spreading around $20 billion every year. The plant's range includes Sri-Lanka, Nepal, Bangladesh, India, Pakistan, Indonesia, Malaysia and China as well as Panama where it is thought to have been introduced.