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Clinical pharmacy PharmD program                     Third level                          Phytochemistry-1 (PG-504)


                      ii. Sorbitol:



              •  It  is  obtained naturally  from  ripe
                berries  of  mountain  ash;  Sorbus


                aucuparia “Fam. Rosaceae”

              •  Or  it  could  be  obtained

                synthetically  from  glucose  by

                hydrogenation.




              Properties:


              •  Sorbitol tastes approximately half as sweet as sucrose.


              •  Contribute fewer calories than carbohydrates.

              •  It accumulates in the lenses of diabetics and produces cataract.

              Use:


              1- Sorbitol is used as sweetening agent in sugar-free candies, cookies, chewing

              gum and tooth-pastes.


              2- Sorbitol is dietary supply for diabetics because it is not absorbed from G.I.T.



              3- Sorbitol is used as osmotic diuretic, administered I.V.


              4. Sorbitol is used as Cholagogue


              N.B.: Mannitol and sorbitol are not absorbed from GIT, and if given by i.v. route,

                   they not metabolized and it is excreted through kidneys.














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