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Introduction of Pharmacognosy

Plants have been serving as sources of drugs and pharmaceuticals for man and other animals since time immemorial. There are about half a million of plants now growing on earth. Many of these plants possess therapeutic and pharmaceutical properties....
Pharmacognosy occupies an important place in pharmacy as it deals with the collection, identification, preparation, and extraction of a large group of drugs obtained from natural sources, which are used both in orthodox and traditional medicine. For a successful practice...
Many crude drugs are derived from the underground or subterranean organs or structures of plants. These include some roots and modified underground stems, such as rhizomes, corms, and bulbs. Roots Roots, which constitute drugs, are usually the strongly developed primary (tap)...
Definition of Pharmacognosy Pharmacognosy is a scientific discipline, which is primarily concerned with the study of crude drugs obtained from natural sources, such as plants, animals, and minerals. The term 'pharmacognosy' was first coined and used by C.A. Seydler in 1815...
History of pharmacognosy can be regarded as the history of pharmacy and medicine because pharmacognosy had its origin in the health-related activities of the most primitive human race of the remote past. The early man must have sought to...
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