| abstract |
Coating agents which contain a liquid phase, a polysaccharide that is degradable in the colon, such as locust bean gum or guar gum, and a film-forming polymer material, preferably with hydrophilic groups, result in coatings of oral medicinal forms with coatings of high mechanical strength, which are only under the Exposure to glycosidic enzymes in the colon can be broken down. |