Pharmacognosy Lecture Notes Ppt

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Pharmacognosy has numerous applications in:

Plants produce primary metabolites (carbohydrates, proteins) for survival, and secondary metabolites for defense and adaptation. These secondary metabolites form the active ingredients in drugs. Chemical Characteristic Clinical Example Therapeutic Use Basic nitrogenous compounds derived from amino acids Morphine, Quinine, Atropine Analgesic, Antimalarial, Anticholinergic Glycosides Sugar (glycone) bound to non-sugar (aglycone) Digoxin, Sennosides Cardiotonic, Laxative Volatile Oils Odorous, volatile terpenoids or aromatic compounds Menthol, Eugenol Carminative, Antiseptic Tannins Complex polyphenolic compounds that precipitate proteins Tannic acid, Catechu Astringent, Wound healing Resins Amorphous, solid or semi-solid exudates Asafetida, Myrrh Carminative, Expectorant 5. Evaluation and Quality Control of Crude Drugs pharmacognosy lecture notes ppt

Adulteration—the intentional or accidental substitution of genuine drugs with inferior, defective, or harmful substances—requires strict evaluation protocols. 1. Organoleptic (Morphological) Evaluation

Controlled temperature, low humidity, and protection from light are mandatory. 6. PPT Presentation Tips for Faculty and Students user wants a long article about "pharmacognosy lecture

Pharmacognosy Lecture Notes PPT (A Story of Discovery)

Derived from Greek "Pharmakon" (drug) and "Gignosco" (to acquire knowledge), it is the study of medicines from natural sources. and protection from light are mandatory.

Alkaloids, Glycosides, Volatile oils, Tannins, Resins, Carbohydrates. Pharmacological/Therapeutic Classification