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***Primary metabolite versus Secondary metabolite: -Distribution: -Pharmacological action: - Scheme for biosynthetic pathway. H 2 O+ CO 2. hv. Glycosides: *Definition: -Physicochemical properties: physical state, optical activity,. -Solubility, extraction. -Enzyme deactivation. :.
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***Primary metabolite versus Secondary metabolite:-Distribution:-Pharmacological action:- Scheme for biosynthetic pathway.
H2O+ CO2 hv
Glycosides: *Definition: -Physicochemical properties: physical state, optical activity,
-Solubility, extraction. -Enzyme deactivation. :
-Significance in plant: -Nomenclature
Amygdalase H glc Prunasin Amygdalin Prunase glc HCN (g)
****Classification: A)- According to the linkage: B)- According to botanical source .
C)- According to the sugar type. D)- According to the aglycone type. E)- According to the pharmacological action: F)- According to the configuration
**Phenolic glycosides: -Flavonoid, isoflavonids, anthocyanins,lignans -Anthraquinone -Coumarins
Coumarin Anthraquinone Flavonoid Anthocyanin
Pharmacological action: -Stimulant laxative: increasing contractility of colonic muscle and subsequently facilitate evacuation of colonic content Medicinal uses: -Acute constipation. -Presurgery. -Preoperative.