Advances in Herbal Medicine and Holistic Medical Practice

Crude Drugs and Plant Products

A crude drug is any naturally arising, organic substance extracted from inorganic or organic sources such as plant, organs, bacteria, animal or whole organisms intended for use in the diagnosis, mitigation, cure, prevention or treatment of disease in humans or other animals. Crude drugs are vegetable that consist of natural substances that have undertaken only the processes of collection and drying. The term natural substances mention to those substances found in nature that have not had man-made changes made in their molecular structure. They are used as medicine for human being and animal, externally and internally for curing disease. Plant crude drugs have primary and secondary metabolites. They are-