Source of drug

""  Source of drug ""

(1)  Natural source:-

                 i.  Plant –

Ø  Digitalis

Ø  Morphine

Ø  Atropine

Ø  Reserpine

                 ii.  Animal –

Ø  Insulin

Ø  Heparin

Ø  Gonadotropin

                 iii. Microorganism –

Ø  Penicillin

Ø  Chloramphenicol

Ø  Bacitracin

Ø  Tetracycline

                 iv. Minerals –

Ø  MgSO₄. 7H₂O

Ø  Ferrous sulphate

Ø  Liquid paraffin

(2) Synthetic source:-

Ø  Aspirin

Ø  Anti-malarial drugs

Ø  Sulphonamides

Ø  Paracetamol

(3) Semi-synthetic source:-

Ø  Ampicillin

Ø  Tetracycline

(4)  Recombinant DNA technology:-

Ø  Human insulin.