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I. Alphabetical classification

The crude drugs are arranged alphabetically according to their:
• Latin names as in Indian and European pharmacopoeias
• English names as in British and United States pharmacopoeias

e.g. Acacia, Benzoin, Cinchona, Dill, Ergot, Fennel, Gentian,
Hyoscyamus, Ipecacuanha, Jalap, Kurchi, Liquorice, Myrrh, Nux-
vomica, Opium, Podophyllum, Quassia, Rauwolfia, Senna, Uncaria
gambier, Vasaka, Wool fat, Yellow bees wax, Zedoary.
Advantages

 It is a simple method allowing tracing and addition of any drug
 No technical person is required for handling the system
Disadvantages
 Unclear drug source; not distinguishing drugs from plant, animal and

mineral sources.
 Unidentified drug nature: not specify whether the drug is organized

or not, and if plant not stating which organ.

II. Morphological classification

The crude drugs are classified into organized (having regular cellular
structure; cellular) and unorganized (non- cellular) drugs.

 Organized drugs: The direct parts of plants or animals….
 Non-organized drugs: The products of plants or animals ….

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