QUALITY CONTROL OF CRUDE DRUGS WITH SPECIAL REFERENCE TO THEIR QUALITY AND PURITY
A crude drug is any naturally occurring, unrefined substance derived from organic or inorganic sources such as plant, animal, bacteria, organs or whole organisms intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease in man or other animals. Quality control of herbal medicines is a tedious and difficult job. Herbal medicines differ from that of the conventional drugs and so some innovative methods are coming into being for the sake of quality assessment of herbal drugs. The present paper deals with the quality control parameters of the crude drugs which will focus its quality and purity.
The leader shows that style is no substitute for substance, that creating an impression is not more potent than acting from one's center.