Class (13) = Classification of Crude Drug (Part 04) = Chemo-taxonomical & Sero-Taxonomical Method

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  • Опубликовано: 29 сен 2024
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    Classification of drug part 1 (Alphabetical classification) / npukqtaail
    Classification of drug part 2 (Morphological and Taxonomical classification) • Class (11) = Classific...
    Classification of drug part 3 (Pharmacological and Taxonomical classification) • Class (12) =Classifica...
    Different System of Classification of Crude drugs
    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
    Chemo-taxonomical Classification
    This system of classification relies on the chemical similarity of taxon i.e. it is based on the existence of a relationship between constituents in various plants. There are certain types of chemical constituents that characterize certain classes of plants. This gives birth to entierly new concept of chemotaxonomy that utilizes chemical facts/characters for understanding the taxonomical status, relationships and the evolution of the plants. For example, tropane alkaloids generally occur among the members of Solanaceae thereby, serving as a chemotaxonomic marker. Similarly, plant metabolites can serve as the basis of classification of crude drugs. The berberine alkaloid in Berberis and Argemone; Rutin in Rutaceae members, ranunculaceous alkaloids among its members etc are examples.
    It is the latest system of classification and gives more scope for understanding the relationship between chemical constituents, their biosynthesis and their possible action.
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