Class (10) = Classification of Crude Drug | Methods of Classification of Crude Drugs (Part-01)

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Different System of Classification of Crude drugs
The term “CRUDE DRUG” generally applies to the products from plants and animal origin found in a raw form. They are unprocessed form of natural products which are treated for their packing and to prevent them from deterioration. Crude drugs are further grouped as Organized (cellular) and Unorganised (acellular), according to whether they contain a regular organized cellular structure or not.
The most important natural sources of drugs are ( higher plants , microbes & animals and marine organisms . Some useful products are obtained from minerals that are both organic and inorganic in nature .
To follow the study of the individual drugs , one must adopt some particular sequence of arrangement and this is referred to a system of classification of drugs . A method of classification should be :
1. Simple
2. Easy to use
3. Free from confusion & ambiguities .
Because of their wide distribution , each arrangement of classification has its own merits and demerits , but for the purpose of study the drugs are classified in the following different ways :
1. Alphabetical classification .
2. Morphological classification
3. Taxonomic classification
4. Pharmacological classification
5. Chemical classification
6. Chemo - taxonomical classification
7. Sero- taxonomical classification

Alphabetical classification is the simplest way of classification of any disconnected items . Crude drugs are arranged in alphabetical order of their Latin and English names ( Common names ) or sometimes local
Some of the pharmacopoeias , dictionaries and reference books which classify crude drugs according to this system are as follows :
1- Indian Pharmacopoeia .
2- British Pharmacopoeia (English)
3- British Herbal Pharmacopoeia
4- United States Pharmacopoeia (English)
5- National Formulary
6- British pharmaceutical Codex
7- European Pharmacopoeia (Latin)

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