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CLASSIFICATION OF NATURAL DRUGS

INTRODUCTION
The crude drugs obtained from different natural sources are used in treatment of wide spectrum of diseases. For their adequate study, it is necessary to arrange them in scientific and systematic manner. Their huge number and varied occurrence make it difficult to put them in a uniform pattern.

For pharmacognostic study, crude drugs can be arranged in one of the following classes.

ALPHABETICAL CLASSIFICATION 

Either the Latin names or English names of drugs are considered for this purpose of classification. This classification is adopted by the following books.

1. British Pharmacopoeia (English).
 2.British Pharmaceutical Codex (English).
3. United States Pharmacopoeia (English).
4. Pharmacopoeia lnternational (Latin).
5. Indian Pharmacopoeia (English).
6. British Herbal Pharmacopoeia (English).

However, this type of classification does not help in distinguishing the drugs from plants, animals or mineral sources and also does not indicate whether they are organised or unorganised.

                                                       Classification of crude drug.

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