Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2019 Vol: 11 Issue: 7

An Updated Review on Tablet Coating


Tablet coating is an essential technique of spraying a thin polymer-based film to the outer area of Tablets, which consist of active ingredients in it. Primary aim of coating is give protection from gastric fluid and physical stress. Different techniques of tablet coating such as sugar coating, film coating, and enteric coating are used most commonly. There is a continuous effort to overcome the drawbacks of older coating techniques. Coating material is directly applied on the surface of the tablet without use of any solvent. According to ICH guidelines organic solvents are least preferred in Pharmaceutical formulation to consider product safety profile. Various solvent like superficial fluid coating and newer techniques like magnetically assisted impaction coating, compression coating, hot melt coating, are now also available. This review is focused on the preliminary coating process, equipment involved and latest development on Tablet coating.

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