Page 4 - phytochemistry general program
P. 4

Alkaloids

           Introduction:

  Alkaloids are extremely difficult to define, because they do not represent a                        .1
      homogenous group of compounds from either, chemical, biochemical or                             .2
                                                                  physiological point of view.

The term alkaloid or alkali-like was previously applied to basic nitrogen-cont.
   (heterocyclic ring) Compounds of plant origin with pharmacological activity
                                                                                                 but

   - Some alk. are known to have simple and or acyclic amine structures, others as
colchicine is not basic and its nitrogen atom is not incorporated in heterocyclic ring.

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