Large intestinal dissociative hard capsules

A large intestinal dissociative hard capsule comprises a capsule mainly composed of chitosan having a coating layer of a polymer soluble in a liquid having pH of at least 5 on the surface of the capsule. The chitosan capsule is prepared from a solution obtained by dissolving the chitosan in an aqueo...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUMOTO, TAKAYUKI, FUJII, TAKERU, SUZUKI, TSUTOMU, HASHIUDO, KENICHI, HIGASHIDE, TOSHIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A large intestinal dissociative hard capsule comprises a capsule mainly composed of chitosan having a coating layer of a polymer soluble in a liquid having pH of at least 5 on the surface of the capsule. The chitosan capsule is prepared from a solution obtained by dissolving the chitosan in an aqueous 1% by weight acetic acid solution to yield a chitosan solution having a viscosity at 20 DEG C not higher than 100 cps; the degree of deacetilation of the chitosan is from 60 mol% to 98 mol%.