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MICROENCAPSULATIONS: AN OVERVIEW Dupinder Kaur, A.C.Rana, Seema Saini, Neelam Sharma

MICROENCAPSULATIONS: AN OVERVIEW.

Dupinder Kaur, A.C.Rana, Seema Saini, Neelam Sharma

International Journal of Natural Product Science 2012: Spl Issue 1:21.

Abstract (RBIP-21)

Microencapsulation is a process of enclosing micron sized particles in a polymeric matrix. There are different techniques available for the encapsulation of drug entities. The encapsulation efficiency of the microparticles depends upon different factors like concentration of the polymer, solubility of polymer in solvent, rate of solvent removal, solubility of organic solvent in water etc. Microparticles-containing drugs are employed for various purposes, but not restricted to controlled drug delivery, masking the taste and odour of drugs, protection of the drugs from degradation, and protection of the body from the toxic effects of the drugs. Polymeric carriers being essentially multidisciplinary are commonly utilized in microparticle fabrication and they can be of an erodible or a non-erodible type. Microcapsules with a good mechanical resistance are essential to enable reversible liquid-solid-liquid phase transitions, and to protect the drug during the whole product life. Microencapsulation of the probiotic cells is one of the newest and highly efficient methods, which is now under the especial attention. Microencapsulation is one of the quality preservation techniques of sensitive substances and a method for production of materials with new valuable properties.

Keywords: Microencapsulation, Polymeric carrier.
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