Enteric coating colorants

This only refers to the enteric-coating layer in addition, a subcoating (based on Opadry) applied to a level of 2.0% w/w, and a colored top coating based on Opadry II applied to a level of 3.0% w/w were also used. 

When Edward, victorious, entered London, he made Richard of Gloucester Constable of the Tower for he of all men, Edward knew, would not turn his coat from the colors of their great Plan-tagenet father of York, as their brother George had done. 

The user enters specifications for the film coating formulation (i.e., immediate release/controlled release, enterosoluble, white or colored). 

Vented pans are applied most commonly to tablets for various purposes. Color coats are commonly used to provide an improved appearance or a brand defining color. Controlled release coats for enteric, delayed for sustained release are typically applied in vented pans. Coatings can be applied for improved surface characteristics such as a seal coat to minimize handling exposure to a core tablet, an oxygen or moisture barrier for improved stability, or to impart a slippery quality to a tablet when wetted to facilitate swallowing. 

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