Pharmacognosy-I B.Pharmacy 4th Semester Handwritten Notes

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Pharmacognosy - 1 notes

Unit 1: Introduction to Pharmacognosy

๐Ÿ”น Definition, History, Scope and Development of Pharmacognosy

Brief explanation of how Pharmacognosy evolved and its importance in modern pharmacy.

๐Ÿ”น Sources of Drugs

  • Plant Sources
  • Animal Sources
  • Marine Sources
  • Tissue Culture

๐Ÿ”น Organized & Unorganized Drugs

  • Organized Drugs: Cellular structure retained (e.g., leaves, seeds)
  • Unorganized Drugs: No cellular structure (e.g., latex, juices, extracts, gums, resins)

๐Ÿ”น Classification of Drugs

  • Alphabetical
  • Morphological
  • Taxonomical
  • Chemical
  • Pharmacological
  • Chemo-taxonomical
  • Sero-taxonomical

๐Ÿ”น Quality Control of Natural Drugs

  • Adulteration
  • Evaluation Methods:
    • Organoleptic
    • Microscopic
    • Physical
    • Chemical
    • Biological

๐Ÿ”น Quantitative Microscopy

  • Lycopodium Spore Method
  • Leaf Constants
  • Camera Lucida
  • Microscopic Diagrams

Nirali Publication


Unit 2: Cultivation and Conservation of Medicinal Plants

๐Ÿ”น Cultivation, Collection, Processing and Storage of Drugs

๐Ÿ”น Factors Influencing Cultivation

  • Soil, climate, altitude, etc.

๐Ÿ”น Plant Hormones and Their Applications

  • Auxins, Gibberellins, Cytokinins, etc.

๐Ÿ”น Polyploidy, Mutation & Hybridization

  • Use in improving medicinal plant quality.

๐Ÿ”น Conservation of Medicinal Plants

  • In-situ and Ex-situ conservation strategies

Unit 3: Plant Tissue Culture

๐Ÿ”น Historical Development

๐Ÿ”น Types of Cultures

  • Callus, Suspension, Meristem, etc.

๐Ÿ”น Nutritional Requirements & Growth

๐Ÿ”น Applications in Pharmacognosy

๐Ÿ”น Edible Vaccines

  • Concept, examples, and uses.

Unit 4: Pharmacognosy in Systems of Medicine

๐Ÿ”น Role in Allopathy & Traditional Medicine

  • Ayurveda
  • Unani
  • Siddha
  • Homeopathy
  • Chinese Medicine

๐Ÿ”น Introduction to Secondary Metabolites

  • Definition & Classification
  • Properties & Identification Tests
    • Alkaloids
    • Glycosides
    • Flavonoids
    • Tannins
    • Volatile Oils
    • Resins

Unit 5: Study of Drugs of Natural Origin

๐Ÿ”น Plant Products

  • Fibers: Cotton, Jute, Hemp
  • Hallucinogens
  • Teratogens
  • Natural Allergens

๐Ÿ”น Primary Metabolites

Carbohydrates:

  • Acacia, Agar, Tragacanth, Honey

Proteins & Enzymes:

  • Gelatin, Casein
  • Enzymes: Papain, Bromelain, Serratiopeptidase, Urokinase, Streptokinase, Pepsin

Lipids:

  • Castor Oil, Chaulmoogra Oil, Wool Fat, Beeswax

๐Ÿ”น Marine Drugs

  • Overview of novel medicinal agents from marine sources

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