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































































             5)  C glycosides = Aloin - type glycosides

           It is a mixture of C-glycosides obtained from different Aloe species.


         Aloins are very resistant to hydrolysis, and are not easily oxidized (like other anthrones and
           anthranols) to the corresponding anthraquinones.

           Barbaloin:   The most important representative aloin glycosides,

           which is the -C-glucoside of aloe-emodin anthrone.

           In addition to chrysaloin, isobarbaloin and some other free anthraquinones


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