Pharmacognosy Lecture Notes Ppt __top__ -

: Sexual (seeds) or asexual (cuttings, grafting, tissue culture). Harvesting and Collection

Whether this presentation is for or an advanced phytochemistry seminar .

The therapeutic efficacy of natural drugs depends heavily on strict agricultural and collection practices.

: Basic, nitrogen-containing organic compounds that exert strong physiological effects. Examples : Morphine (Analgesic) from Opium. Quinine (Antimalarial) from Cinchona. Atropine (Anticholinergic) from Belladonna. 2. Glycosides

: Ancient Egyptian scroll listing hundreds of natural remedies. pharmacognosy lecture notes ppt

Based on botanical hierarchy (Phylum, Class, Order, Family, Genus, Species).

: Quality Control: Organoleptic and Microscopic Evaluation. Slide 11 : Quality Control: Physical and Biological Assays.

: Notes on the techniques used to produce secondary metabolites in a lab setting. Marine Pharmacognosy

: Lack cellular structure; obtained via extraction, incision, or expression. (e.g., Juices: Aloe; Latexes: Opium; Resins: Asafoetida). 4. Pharmacological (Therapeutic) Classification : Sexual (seeds) or asexual (cuttings, grafting, tissue

: Certain plants thrive only at specific heights (e.g., Cinchona at high altitudes, Tea in hilly regions).

: Focuses on balancing the vital energy energy ( Qi ) through Yin and Yang forces.

: Acellular products obtained by extraction or incision (Juices: Aloe; Latexes: Opium; Resins: Asafoetida). Taxonomical Classification

: Acellular substances obtained via extraction, incision, or distillation (e.g., Gums: Acacia; Latexes: Opium; Extracts: Agar). Pharmacological/Therapeutic Classification Atropine (Anticholinergic) from Belladonna

This comprehensive guide breaks down core pharmacognosy topics, provides structuring tips for presentations, and highlights key resources for downloading lecture slides. 1. Core Modules for Pharmacognosy Lecture Notes

Thin Layer Chromatography (TLC) : Rapid identification of plant fingerprints.

: Reduces moisture to below 10% to halt enzymatic degradation and prevent microbial growth. Includes sun-drying, shade-drying (for volatile oils), and spray-drying.