KR20100036754A - 비타민 c유도체 안정화를 위한 키토산-지방산 입자 제조 방법 - Google Patents
비타민 c유도체 안정화를 위한 키토산-지방산 입자 제조 방법 Download PDFInfo
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- KR20100036754A KR20100036754A KR1020080096130A KR20080096130A KR20100036754A KR 20100036754 A KR20100036754 A KR 20100036754A KR 1020080096130 A KR1020080096130 A KR 1020080096130A KR 20080096130 A KR20080096130 A KR 20080096130A KR 20100036754 A KR20100036754 A KR 20100036754A
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- fatty acid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/365—Lactones
- A61K31/375—Ascorbic acid, i.e. vitamin C; Salts thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1617—Organic compounds, e.g. phospholipids, fats
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1682—Processes
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Abstract
Description
Claims (4)
- 하기의 단계를 포함하여 제조하는 비타민 C 유도체 안정화된 키토산-지방산 복합체 제조 방법.(a) 키토산 용액에 지방산을 혼합하는 단계;(b) 상기 혼합물의 온도를 높여 지방산을 녹이고 키토산 아미노산기와 지방산의 카르보닐기와의 복합체 형성 하는 단계;(c) 상기 복합체를 감압하에서 용매를 제거하고 150~180℃로 올려 아마이드기를 형성하는 단계;(d) 세척 후 감압 증류 및 동결건조 또는 분무 건조 등과 같은 추가적인 과정에 의해 키토산-지방산 양친성 복합체 분말을 제조하는 단계; 및(e) 상기 키토산-지방산 양친성 복합체를 용해하는 용매에 녹인 후 비타민C유도체를 혼합하여 물에 분산시켜 입자를 형성하는 단계
- 제1항에 있어서, 소수성부분인 지방산은 라우린산 (lauric acid)팔미틴산 (palmitic acid), 스테아린산 (stearic acid), 올레인산 (oleic acid), 리놀레인산 (linoleic acid), 리놀레닉산 (linolenic acid), 아라키도닉산 (arachidonic acid) 중 하나 또는 2개 이상의 군으로부터 이루어진 지방산을 사용하는 키토산-지방산 자기입자 형성성 복합체 제조 방법.
- 키토산의 아미노산기와 지방산의 카르보닐기를 반응시켜 제조한 키토산-지방산 복합체를 용해한 용매에 물과 비타민C 유도체를 투입하여 형성된 비타민 C유도체 함유 키토산-지방산 복합체 용액 조성물.
- 제 3항에 있어서,상기 복합체 입자는 하기 단계로 제조하는 것을 특징으로 하는 비타민 C유도체 함유 키토산-지방산 복합체 용액 조성물.(a) 키토산 용액에 지방산을 혼합하는 단계;(b) 상기 혼합물의 온도를 높여 지방산을 녹이고 키토산 아미노산기와 지방산의 카르보닐기와의 복합체 형성 하는 단계;(c) 상기 복합체를 감압하에서 용매를 제거하고 150~180℃로 올려 아마이드기를 형성하는 단계;(d) 세척 후 감압 증류 및 동결건조 또는 분무 건조 등과 같은 추가적인 과정에 의해 키토산-지방산 양친성 복합체 분말을 제조하는 단계; 및(e) 상기 키토산-지방산 양친성 복합체를 용해하는 용매에 녹인 후 비타민C유도체를 혼합하여 물에 분산시켜 입자를 형성하는 단계
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