Class (02) = Pharmacognostic Study of Crude Drug | Systematic Study of Crude Drug | Crude Drug
Download "Solution Pharmacy" Mobile App to Get All Uploaded Notes, Model Question Papers, Answer Papers, Online Test and other GPAT Materials - https://play.google.com/store/apps/de... Pharmacognostic studies of crude drug A systematic study of a crude drug involves its description on the following lines:- 1. A crude drug may have official or unofficial status i:e the official title of crude drug it appears in pharmacopaeia or other official reference books & are given both in English & Latin. Unofficial drug, the natural substance included in pharmacopaeia but they are not found in current issues. while non official drugs are never appear in official pharmacopaeia . 2. Biological source: The Latin name of the plant or animal with its family is called its botanical or zoological source respectively. Biological source of a crude also covers its nature ,limits for the active constituents & any relevant information affecting the quality of the crude drug during processing or storage. 3. Geographical source: The geographical source of a crude drug givens us information regarding the origin of drug, place & the country where the crude drug is produced commercially on a large scale. e.g Indian senna is grown in & around India. 4. History of a crude drug The history of a crude drug reveals information about its introduction to mankind i:e its original place of growth & its introduction into modern medicine. 5. Cultivation , collection , processing for market & commerce in crude drugs The cultivation technology for a crude drug has to be studied systematically with reference to the selection of proper strains of seeds or germplasm , types of soil system , optimum climatic or ecological factors like light ,temperature ,rainfall& others factors like fertilizers , plant growth regulators etc . 6. The macroscopical or morphological description The macroscopical or morphological description of a crude drug includes size ,shape , nature of outer& inner surfaces ,type of fracture &organoleptic characteristics like colour ,odour , taste consistency ,etc. 7. Micoscopical study of an organized drug either in entire or powdered form , is one of the important aspects of its histological evoluation . 8. Chemical constituents & qualitative chemical tests The utility of crude drug is due to its therapeutically active constituent ,also contains several other constituent which are inert therapeutically e.g caraway contain fixed oil &protein. 9. Pharmacological actions , therapeutic & other pharmaceutical uses The pharmacological action of active constituents of crude drugs & their therapeutically or pharmaceutical uses form an integral part of pharmacognostic scheme . Senna & cascara are used as purgatives , where as digitalis &straphanthus are cardiotonics. 10. Commercial varieties, substitutes & adulterants Adulterant resembles the genuine drug with respect to its morphological appearance & organoleptic characteristics ,However, it is devoid of active constituents which are present in the genuine drug. Get in touch with the solution by just clicking following links- Facebook Group- / solutionpharamcy Facebook Page- / pharmavideo New channel (Pharmacy Dictionary) - / @pharmacydictionary Instagram- / solutionpharmacy E-Mail for official and other work - [email protected] LinkedIn- / pushpendrakpatel #solutionpharmacy #Pharmacologyclass #GPATonlinetest
