Page 35 - PG 101-Course notes مذكرة النظري 24-25 with spec
P. 35

Me
      Dic      Medicinal plants (PG 101)                                                Level 1                              Clinical Pharmacy-PharmD




                •  Some tests :

            1-Aleurone grains are stained red with Millon reagent,


            2-yellowish brown with iodine solution and

            3-yellow with picric acid, leaving the globoids unstained



                                                            3-Crystals:

                ▪  inorganic deposits in plant mostly of calcium oxalate or carbonate.


            A) Calcium oxalate




















            B) Calcium carbonate


                ▪  Formed Within an elongated epidermal cell a small outgrowth of the cell arises and
                    becomes impregnated with calcium carbonate clusters known as (cystolith)














                                                              19
   30   31   32   33   34   35   36   37   38   39   40