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    • 5. 发明申请
    • SUSTAINED-RELEASE CHITOSAN CAPSULES COMPRISING CHITOSAN AND PHYTIC ACID
    • 持续释放包含壳聚糖和植酸的壳聚糖囊
    • WO2008156250A1
    • 2008-12-24
    • PCT/KR2008/003015
    • 2008-05-29
    • INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYPARK, Ji YongJEONG, Chan MinLEE, Min KyungCHOI, Sung WonCHO, Young HeeJEONG, Hoon Ok
    • PARK, Ji YongJEONG, Chan MinLEE, Min KyungCHOI, Sung WonCHO, Young HeeJEONG, Hoon Ok
    • A61K9/48
    • A61K31/70A61K9/0053A61K9/5036A61K31/7088
    • The present invention relates to a chitosan capsule in which a soluble active ingredient is encapsulated in a matrix containing chitosan and phytic acid; a cross-linking method and materials capable of being used in preparing the capsule! and pharmaceutical, food and cosmetic compositions comprising the capsule. The chitosan capsule according to the present invention is prepared via ionic gelation of chitosan as a biodegradable polymer with phytic acid capable of rapidly and effectively forming a cross-linking reaction with the chitosan polymer. The capsule of the present invention shows high encapsulation efficiency for a soluble active ingredient and protects the soluble active ingredient from being damaged in a digestive tract, resulting in improving an in vivo delivery efficiency of a physiologically active material. Further, since the capsule of the present invention has a pH-dependent sustained-release mechanism which can minimize the release of a soluble active ingredient in the stomach and gradually release in the intestine, it is possible to regulate sustained-release of a soluble active ingredient.
    • 本发明涉及壳聚糖胶囊,其中将可溶性活性成分包封在含有壳聚糖和植酸的基质中; 交联方法和能够用于制备胶囊的材料! 以及包含胶囊的药物,食品和化妆品组合物。 根据本发明的壳聚糖胶囊通过壳聚糖作为可生物降解聚合物的离子凝胶化制备,其中植酸能够快速且有效地与壳聚糖聚合物形成交联反应。 本发明的胶囊对可溶性活性成分显示出高的包封效率,并保护可溶性活性成分在消化道中的损伤,从而提高生理活性物质的体内递送效率。 此外,由于本发明的胶囊具有pH依赖性缓释机制,其可以使可溶性活性成分在胃中的释放最小化并在肠中逐渐释放,因此可以调节可溶性活性物质的缓释 成分。
    • 7. 发明申请
    • COMPOSITION FOR EDIBLE FILM AND PHARMACEUTICAL PREPARATION FOR EDIBLE FILM CONTAINING DRUGS
    • 用于食用薄膜的组合物和含有可食用药物的药物制剂
    • WO2013015545A1
    • 2013-01-31
    • PCT/KR2012/005447
    • 2012-07-10
    • KWANG DONG PHARM. CO., LTD.C. L. PHARMSONG, Dae-KunKIM, Hye-MiKIM, Hoi-SungWON, Yong-HoonCHOI, Sung-Won
    • SONG, Dae-KunKIM, Hye-MiKIM, Hoi-SungWON, Yong-HoonCHOI, Sung-Won
    • A61K9/70A61K47/38
    • A61K9/0056A61K9/7007
    • This invention relates to composition for film with improved physical properties of edible film and its pharmaceutical preparation for film. This invention provides us with composition for edible film, which consists of hyroxypropyl methylcellulose(HPMC) and polyvinyl alcohol-polyethylene glycol copolymer(PVA-PEG copolymer) and pharmaceutical preparation for edible film containing drugs. Composition for edible film according to this invention enables us to manufacture intended edible film regardless of adding excipients in order to improve physical properties of film. Also, it has high performance on its physical properties, and enables us to manufacture edible film with high dissolution rate in the oral cavity. Furthermore, pharmaceutical preparation for edible film inhibits limitation on contents of drugs due to excipients, and enables us to manufacture pharmaceutical preparation for edible film containing various drugs without improving physical properties by using other excipients, and improves dosage compliance and convenience for various drugs.
    • 本发明涉及可食用薄膜物理性质改善的薄膜组合物及其药物制剂。 本发明提供了由羟丙基甲基纤维素(HPMC)和聚乙烯醇 - 聚乙二醇共聚物(PVA-PEG共聚物)和含有药物的可食用膜的药物制剂组成的食用膜组合物。 根据本发明的可食用膜的组合物使得我们能够制造预期的可食用膜,而不管添加赋形剂以改善膜的物理性质。 此外,它具有高性能的物理性能,使我们能够在口腔中制造具有高溶解速率的食用膜。 此外,可食用膜的药物制剂抑制由赋形剂引起的药物含量的限制,能够制造含有各种药物的食用膜的药物制剂,而通过使用其它赋形剂不改善物理性能,并提高各种药物的剂量依从性和便利性。