Pharmacognosy 1 PDF Notes | B Pharmacy 4th Semester Noteskarts

Unit: 1

Introduction to Pharmacognosy:

  • Definition, history, scope and development of Pharmacognosy
  • Sources of Drugs – Plants, Animals, Marine & Tissue culture
  • Organized drugs, unorganized drugs (dried latex, dried juices, dried extracts, gums and mucilages, oleoresins and oleo- gum -resins).

Classification of drugs:

  • Alphabetical, morphological, taxonomical, chemical, pharmacological, chemo and sero taxonomical classification of drugs

Quality control of Drugs of Natural Origin:

  • Adulteration of drugs of natural origin. Evaluation by organoleptic, microscopic, physical, chemical and biological methods and properties.
  • Quantitative microscopy of crude drugs including lycopodium spore method, leafconstants, camera lucida and diagrams of microscopic objects to scale with camera lucida.
Unit: 2

Cultivation, Collection, Processing and storage of drugs of natural origin:

  • Cultivation and Collection of drugs of natural origin
  • Factors influencing cultivation of medicinal plants.
  • Plant hormones and their applications.
  • Polyploidy, mutation and hybridization with reference to medicinal plants.

Conservation of medicinal plants

Unit: 3

Plant tissue culture:

  • Historical development of plant tissue culture, types of cultures, Nutritional requirements, growth and their maintenance.
  • Applications of plant tissue culture in pharmacognosy.
  • Edible vaccines.
Unit: 4

Pharmacognosy in various systems of medicine:

  • Role of Pharmacognosy in allopathy and traditional systems of medicine namely, Ayurveda, Unani, Siddha, Homeopathy and Chinese systems of medicine.

Introduction to secondary metabolites:

  • Definition, classification, properties and test for identification of Alkaloids, Glycosides, Flavonoids, Tannins, Volatile oil and Resins
Unit: 5

Study of biological source, chemical nature and uses of drugs of natural origin containing following drugs

Plant Products:

  • Fibers – Cotton, Jute, Hemp
  • Hallucinogens, Teratogens, Natural allergens

Primary metabolites:

  • General introduction, detailed study with respect to chemistry, sources, preparation, evaluation, preservation, storage, therapeutic used and commercial utility as Pharmaceutical Aids and/or Medicines for the following Primary metabolites:

Carbohydrates: Acacia, Agar, Tragacanth, Honey

Proteins and Enzymes: Gelatin, casein, proteolytic enzymes (Papain, bromelain, serratiopeptidase, urokinase, streptokinase, pepsin).

Lipids(Waxes, fats, fixed oils): Castor oil, Chaulmoogra oil, Wool Fat, Bees Wax

Marine Drugs: Novel medicinal agents from marine sources