| abstract |
Solid composition for oral administration containing at least one dye in relation to at least one physiologically acceptable excipient, characterized in that it comprises: a. a matrix consisting of lipophilic compounds with a melting point below 90 ° C, and amphiphilic compounds, where at least one dye is incorporated at least partially; b. an external matrix consisting of hydrophilic compounds, where the lipophilic matrix, and the amphiphilic matrix are dispersed; C. optionally other physiologically acceptable excipients; d. optionally a gastro-resistant layer, wherein said at least one dye is selected from methylene blue, congo red, indigo carmine, toluidine blue or mixtures thereof, and is comprised in an amount ranging from 10 mg to 1500 mg |