The Microencapsulation is a novel method to retarding the drug release and reduces the adverse effects of dosage forms, which is increasing in patient compliance. Microencapsulation is a process in which the small droplets of liquid or solid material are coated or surrounded by the incessant film of the polymer material. The diameter of particles in between 3-800μm are known as microcapsules or microparticles and the particles size bigger than 1000 μm are known as microparticles.
Usually, there is consist of two components of microcapsules, Core material, and Coating material.
Core material: It is coated material, it can be liquid or solid it consists of API or Drug.
Coating material: This is the inert material used for the coat of the core material with a preferred thickness.
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Definition of capsule
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