Main slide Cascara bark Names. Description and origin.

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Presentation transcript:

Main slide Cascara bark Names. Description and origin. Constituents and uses. Frangula bark Constituents. Medications and uses. Kurchi bark Names, description and origin. Main slide

Main slide

Outer part of the bark brown colour inner surface reddish brown Main slide

Main slide

Cascara bark :Cascara sagrada bark لحاء الشجرة المقدسة Rhamnus purshianus Family : Rhamnaceae Main slide

Description Perennial trees Odor : slight . Taste : bitter. The bark must be stored minimum one year before being used (more cathartic). Origin: USA & Canada. Main slide

Chemical constituents Glycosides :anthraquinone group: 1.Cascaroside A & B (barbaloin) 2.Cascaroside C & D (chrysaloin) USES Purgative : for treatment of habitual constipation . We add to the drug MgO ( magnesium oxide) to avoid bitter taste . (dose 300mg) Main slide

Main slide

Frangula bark Rhamnus frangula Family : Rhamnaceae Main slide

Description Perennial small trees . The bark color : dark brown . Odor: slight . Taste : bitter . origin: Europe & Western Asia . Main slide

Chemical constituents Anthraquinone glycosides : a. Frangulin b. Gluco-frangulin 2. Free anthraquinone (emodin) Main slide

Medications and uses Cascara and Frangula barks drugs: Bilacton ®:Trima Dragee Cascara dry extract + Cortex Frangula + Phenolphthalein + Belladonna dry extract Indication: constipation, acute and chronic. Main slide

Holarrhena antidysenterica Family : Apocynaceae . Kurchi bark Holarrhena antidysenterica Family : Apocynaceae . Perennial trees 10 m. The bark outer surface : reddish brown. Inner surface : cinnamon brown . Odor : slight . Taste : acrid and bitter . Origin: India . Main slide

Chemical constituents Alkaloid (steroidal group) Conessine USES Anthelmintic . Anti-dysenteric . Stomachic in small doses . Main slide