G i tract delivery systems

A - Human Necessities – 61 – K

Patent

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Details

A61K 9/64 (2006.01) A23D 9/05 (2006.01) A23L 1/30 (2006.01) A61K 9/50 (2006.01) A61K 9/62 (2006.01) B01J 13/14 (2006.01)

Patent

CA 2545399

A micro encapsulation material for use with storage unstable, therapeutic and nutritional agents which release the therapeutic and nutritional agents in predetermined locations in the gastro intestinal tract in which the encapsulation material is formed by combining a food grade treated carbohydrate with a water soluble food grade protein. The therapeutic and nutritional agents form an oil phase that is emulsified with the water dispersed or dissolved encapsulant to encapsulate the therapeutic and nutritional agents. These agents may be oils or oil soluble or oil dispersible. The agents that may be encapsulated include lipids (oils including oxygen sensitive oils, fatty acids, triglycerides) and oil soluble and oil dispersible ingredients (including pharmaceuticals, probiotics, protein therapeutics and bioactives). The protein used may include any film forming water soluble protein or hydrolysed protein and includes milk proteins such as casein and its derivatives or whey proteins. The carbohydrate component may be those containing reducing sugar groups, oligosaccharides and starches (raw, modified, resistant, acetylated, proprionylated and butylated starches).

L'invention porte sur un matériau de micro encapsulation servant à enrober des agents thérapeutiques et nutritionnelle et à les libérer en des points déterminés du tractus gastro-intestinal. Ledit matériau résulte de la combinaison d'un hydrate de carbone de qualité alimentaire et d'une protéine hydrosoluble de qualité alimentaire. Lesdits agents forment une phase huileuse émulsionnée avec l'encapsuleur dispersé ou dissous dans l'eau qui les encapsule. Ces agents, solubles ou dispersibles dans une huile ou des huiles, comprennent des lipides (des huiles dont des huiles sensibles à l'oxygène, des acides gras, des triglycérides) et des ingrédients solubles ou dispersibles dans l'huile (y compris des produits pharmaceutiques, des probiotiques et des protéines thérapeutiques et bioactives), les protéines pouvant comprendre toute protéine filmogène hydrosoluble ou hydrolysée dont des protéines du lait ou du petit lait telles que la caséine ou ses dérivés, et les hydrates de carbone peuvent être ceux qui contiennent des groupes sucre réducteurs, des oligosaccharides et des amidons (bruts, modifiés, résistants, acétylés, proprionylés et butylés).

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