Page 358 - Pharmacognosy 2 PG303 (1)
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Pharmacognosy-2 (PG303)                              Level 2                Clinical Pharmacy-Pharm D


                                                                     Dried Juices and Dried

                                                                                    Latex

                                                       Dried Juices                                                      Dried Latex

                                     are fluid plant saps being usually aqueous liquids,     is an emulsion or suspension
                  Definition     containing dissolved substances and present in plant        occurs in plants in special structures named laticiferous
                                 in special structures.                                      structures (which may be cells, tubes or vessels) and from which
                                 They occur either in cells (Aloes) and in cavities          the latex is obtained by making incisions in the plant.
                                 (Eucalyptus).                                               The well-known latex is opium.


                  Difference                                          Aloe  ربصلا                                             Opiumشاخشخلا

                  origin                      is the solid residue obtained by evaporating the liquid      the air-dried latex obtained by incision from the fully-
                                              which drains from the cut leaves of Aloe ferox and           grown but unripe capsules of Papaver somniferum
                                              Aloe vera, Fam. Liliaceae                                    Fam.  Papaveraceae
                  shape






                  Color                                    dark brown or nearly black                      dark brown to chocolate brown
                  Odor                                     characteristic and disagreeable
                  Taste                                            very bitter                             Shape: rounded or cubical pieces.
                  Fracture                                          hard                                    Plastic when fresh & hard on keeping











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