Page 214 - Pharmacognosy 2 PG303
P. 214

Pharmacognosy-2 (PG303)                              Level 2                Clinical Pharmacy-Pharm D


                      It contains not more than 2% of foreign organic matter and yields not less
              than 2% of total alkaloids calculated as emetine, of which not less than 60% consists
              of non-phenolic alkaloids calculated as emetine.


                      It is obtained from Brazil (collected in the wild), and to a smaller extent
              from  Central  American  countries,  such  as  Costa-Rica  and  Nicaragua.
              Ipecacuanha is derived from the Brazilian Indian term, ipekaaguene, meaning
              creeping plant and acuminata from the acute apex of the leaf.

              Rio Ipeca is the highly prized commercial variety. It is now  cultivated rather
              than  Brazil,  in  Bengal,  Burma,  Malay  and  Singapore.  The  Cartagena  drug  is
              exported from Columbia, Nicaragua and Costa Rica.

















                       Ipecacuanha.  .'A,  Rio  ipecacuanha  root;  B,  Cartagena
                       ipecacuanha root; C, rhizome of Rio ipecacuanha; D, transverse
                       section of C;. a, annulations; c, cambium; ck, cork ; cf. cortex
                       ; m, pith; p, pericycle; ph, phloem; r, ridge ; rt, root; rz, rhizome;
                       w, woody cylinder denuded of bark; xy, xylem.

              Collection and preparation
              The  drug  is  collected  from  wild  and  cultivated  plants.  The  collector,  using  a
              pointed stick, levers the plant from the ground and, having removed most of the
              roots, replaces it in the ground where it usually lives to produce further crops. He
              inserts the pointed stick beneath the plant roots, and the earth is shaken off. The
              roots are dried in the sun or over fires and transported down river to ports as
              Rio de Janeiro and exported in bales.

              Macroscopical Characters
              The plants are low-straggling shrubs with slender rhizornes bearing annulated wiry
              roots. Odor, faint, characteristic, irritating and sternutatory when in fine powder;
              Taste, bitter and acrid.
              Rio or Brazilian Ipeca Root occurs in sub-cylindrical, slightly tortuous pieces,




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