Page 297 - Pharmacognosy 2 PG303
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Pharmacognosy-2 (PG303)                              Level 2                Clinical Pharmacy-Pharm D


                                    Gentian Root               Valerian                 Senega Roots                Sarsaparilla          Colchicum Corm

                                     (Radix Gentianae)         Rhizome                    )Snake Root (                   Root                Meadow-saffron )

                                                                انايريلاو - نيدران                                 )Radix Sarsaparillae  ,  Autumn crocus)  حلاحللا
                                                                                                                      Radix Sarsae (
                  Origin          Dried fermented          Carefully dried       Dried root and  rootstock of     Dried roots of Smilax  Fresh or dried corms of
                                  roots and rhizomes of    rhizomes and roots    Polygala senega                  ornata ,family          Colchicum autamnale

                                  Gentiana lutea           of Valeriana          family Polygalaceae              Liliaceae               L .family Liliaceae
                                  family Gentianaceae      officinalis L   .
                                                           family
                                                           Valerianaceae
















                                                                                 ➢  Notice the keel.
                                                                                 ➢  It has a broad crown on
                                                                                     which numerous remains
                                                                                     of stem bases.
                                                                                                      ;
                  Active          ■  Seco-iridoid         ▪  Volatile oils       ▪ Saponin glycosides            ▪  Saponin              ▪  About 0.6%         of
                  constituents       bitter substances:    (bornyl acetate and     6-12% saponins ,                  glycoside               water-soluble
                                  the main constituent is  bornyl isovalerianate A mixture of triterpene             )Sarsaponin (           alkaloids, the most
                                                                                           )
                                  gentiopicrin.                   are the main   glycosides  senega-saponins A- ▪  Sarsapic acid.            important is
                                                                       (
                                  ■  Xanthone              Constituents          D (                             ▪  Resin.                   Colchicine.

                                     derivatives          ▪  Valepotriates .     ▪  Lipids ,mono -and oligo-                             ▪  Other alkaloids (iso-

                                     (gentisin ,          ▪  Valerianic and         saccharides.                                             colchicine and
                                     isogentisin  ,           isovalerianic      ▪  Methyl salicylate and its                                colchiceine  .
                                                                                                                                                        (

                                     gentioside)              acids                 glycoside.                                           ▪  Abundant starch.
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