Adulteration—the intentional or accidental substitution of genuine drugs with inferior, defective, or harmful substances—is a major problem in natural medicine. Evaluation ensures safety and potency.
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Arranged by Latin or English names (e.g., Acacia, Benzoin, Cinchona). Easy to locate. Cons: No scientific or chemical correlation. 2. Taxonomic Classification pharmacognosy lecture notes ppt
She plugged in a loaner laptop. She had no slides. No animations. No fancy graphs.
Optimal time for harvesting (e.g., Digitalis leaves are collected in the afternoon). Arranged by Latin or English names (e
: Checked via loss on drying (LOD) or Karl Fischer titration to prevent microbial growth.
Lacks cellular structure; obtained via extraction or incision. Examples: Aloes juice, Acacia gum, Opium latex. Taxonomical Classification pharmacognosy lecture notes ppt
Pharmacognosy is the study of medicines derived from natural sources, including plants, animals, and microbes. Understanding this discipline is essential for pharmacy students, pharmacologists, and natural product researchers.
Pharmacognosy Lecture Notes PPT (A Story of Discovery)
Bioassays on living animals/tissues to determine potency (e.g., Digitalis). 5. Plant Tissue Culture (PTC) in Pharmacognosy
Pharmacognosy: Science of natural products in drug discovery - PMC