Which material is used for coating of tablet?

Which material is used for coating of tablet?

Sealing coat consists of Shellac, cellulose acetate phthalate (CAP), polyvinylacetate phthalate (PVAP), hyroxylpropyl cellulose, hyroxypropyl methylcellulose (HPMC), and Zein (a corn protein derivative). Shellac was previously used as a sealant.

What is film coated tablet made of?

Process. The conventional method of applying film coatings to oral dosage forms includes both a spraying phase and a drying phase. The spraying phase consists of applying a layer of a polymer, plasticizer, colourant, opacifier, solvent, and a vehicle to the oral dosage form’s core.

Which polymer is used in film coating of tablets?

Polyvinyl alcohol-polyethylene glycol copolymers. This is a synthetic polymer that is mainly used in immediate-release film coating of pharmaceutical dosage forms. It is a hydrophilic freely water-soluble polymer, consisting of approximately 75% vinyl alcohol units and 25% ethylene glycol units.

What can I use to coat a pill?

Coat with a gel You may be able to swallow your pills more easily by coating them with a lubricant gel. In one study, 54 percent of participants who used this kind of pill-swallowing aid found it much easier to get their pills down. These lubricants improve the taste of your medication.

What is a film coating for tablets?

A film coating is formed through the application of a thin, even, and continuous film around the surface of a tablet or pill. Color-matched, custom pigmented or non-pigmented pharmaceutical film coatings for solid dose application.

What is a film-coated sustained-release tablet?

An interesting application of the film-coated, sustained-release tablet is the osmotic pump concept described by Wong et al. (2003) In this device, a tablet core (formulated to contain osmotically active ingredients) is film coated with a semipermeable membrane that is subsequently pierced with a laser to create a delivery orifice.

What is the best film coating for colonic drug delivery?

Various film coating approaches have been explored for colonic drug delivery, including pH-dependent film coating, enzymatically degradable coating, and time-dependent film coating [53,54]. However, most of these systems exhibit suboptimal drug release profiles.

What are non-functional tablet coatings?

They are the most commonly encountered type of tablet coating. The reason they are known as non-functional coatings is because they are designed to dissolve rapidly in the gastrointestinal tract without any significant impact on the rate of drug release in the gut. Conventional coatings serve several purposes, including: