Page 481 - Applied Pharmacognosy
P. 481

Definitions                                              480

 Primary metabolites        Secondary metabolites
➢These compounds are
                           ➢These are not necessary for
 needed for the normal      the daily existence and
 growth and regeneration    regeneration of the
 of the organism.           organism.
➢Examples include
 carbohydrates, proteins,  ➢They have a much more
 fats and nucleic acids.    limited distribution in
                            nature.

                           ➢They have chemotaxonomic,
                            medicinal and economic
                            importance.
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