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Pharmacognosy: Course Outline (413-IA)

Pharmacognosy is a branch of pharmaceutical sciences which focuses on drugs of herbal and natural origin. Although pharmacognosy mostly deals with medicinal herbs, some animal products and bacterial products are also discussed in it.

Course Outline

General introduction

  • Historical development and scope of pharmacognosy
  • Terminology used in pharmacognosy
  •  An introduction of traditional systems (unani ayurvedic and homoeopathic systems of medicine) with special reference to medicinal plants
  • Introduction to herbal pharmacopeia and modern concepts about pharmacognosy

Crude drugs

  •  Preparation of crude drugs for commercial market
  • Chemical and therapeutic classisification of crude drugs (official & un-official drugs) methods of cultivation
  •  Drying
  •  Storage
  •  Preservation and Packing

The study of the crude drugs belonging to various families of medicinal importance

S. No.

Families

Crude Drugs

1

Ranunculaceae

Aconitum, Larkspur, Pulsatilla, Hydrastis

2

Papaveraceae

Papaver somniferum, Sanguinaria, Canadensis

3

Leguminosae

Acacia, Glycyrrhiza, Senna, Cassia, Tamarind 

4

Umbelliferae

Fennel, Carum, Coriander, Conium, Asafoetida

5

Apocynaceae

Rauwolfia, Catharanthus

6

Asclepiadaceae

Gymnema sylvestre, Calotropis gigantea

7

Compositae

Artemisia, Silybum marianum, Echinaceae, Arctium lappa

8

Solanaceae

Belladonna, Hyoscyamus, Stramonium, Capsicum

9

Scrophulariaceae

Digitalis, Verbascum (Mullien).

10

Labiatae

Peppermint, Thyme, Spearmint, Salvia, Ocimum

11

Liliaceae

Garlic, Colchicum, Aloe

12

Zingiberaceae

Ginger, Curcuma

 Evaluation and adultration of crude drugs evaluation of crude drugs ie

  •  Organoleptic
  •  Microscopic
  • Physical
  • Chemical and biological
  • Deterioration and adulteration of crude drugs
  • Types of adulteration
  •  Inferiority
  • Spoilage
  • Admixture

Aophistication and substitution of crude drugs 

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