In vitro studies of the Ocimum sanctum: Tulsi, Medicinal herb

In the present review on Tulsi, efforts has been done to  congregate the  botanical, and in vitro tissue culture techniques in Ocimum sanctum Linn., a medicinal herb used in the indigenous system of medicine. Tulsi has been adored in almost all ayurvedic literature for its adorable medicinal properties. It is pungent-bitter in taste. Its leaves are hot, light and dry while seeds are considered to be cold in effect. Several medicinal properties of Tulsi are present in the roots, leaves and seeds. It has a wide range of action on the human body mainly ain curing cough, inducer of sweat  and prevents the indigestion and anorexia. Medicinal properties of Tulsi are very well known for thousand years to various parts of the world. In the Indian subcontinent, Hindus considered this medicinal herb as sacred plant.  Exploration the scientific studies of traditional belief of medicinal properties of Tulsi have got acceleration after the middle of the 20th century. Most of the evidences are based upon in-vitro, experimental and a very few are of human studies. Till now, no review present on the in vitro studies of Tulsi, therefore, the present review would discuss the in vitro studies along with its botanical description. This review will definitely help the researchers who deals with Tulsi studies to know its use in proper way, herb appears to be highly valuable due to many pharmacological / medicinal properties.