ENCAPSULATED SOY EXTRACTS AND PROCESS FOR PREPARING SAME
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IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
A61K-009/48
A61K-036/48
출원번호
US-0444418
(2007-11-01)
공개번호
US-0055172
(2010-03-04)
국제출원번호
PCT/US2007/083323
(2007-11-01)
발명자
/ 주소
Han, Choi Yong
대리인 / 주소
FOLEY & LARDNER LLP
인용정보
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초록▼
Soy extracts encapsulated with oligosaccharides and processes for making the encapsulated soy extracts. The processes generally comprise combining a soy extract solution and an oligosaccharide solution to encapsulate the soy extract with the oligosaccharide, precipitation of the encapsulated soy ext
Soy extracts encapsulated with oligosaccharides and processes for making the encapsulated soy extracts. The processes generally comprise combining a soy extract solution and an oligosaccharide solution to encapsulate the soy extract with the oligosaccharide, precipitation of the encapsulated soy extract solution to form sediment, centrifugation, ion exchange to remove ionic components and drying. Soy extracts encapsulated in the process include isoflavone derivatives, such as daidzin, glycitin, genistin, daidzein, glycitein and genistein, which may be encapsulated with αr-cyclodextrin, β-cyclodextrin, γ-cyclodextrin or combinations of these oligosaccharides.
대표청구항▼
1. A process for making encapsulated soy extracts comprising the steps of: a) providing a soy extract solution comprising one or more soy extracts and a soy extract solvent; b) providing an oligosaccharide solution comprising one or more oligosaccharides and oligosaccharide solvent; c) combining th
1. A process for making encapsulated soy extracts comprising the steps of: a) providing a soy extract solution comprising one or more soy extracts and a soy extract solvent; b) providing an oligosaccharide solution comprising one or more oligosaccharides and oligosaccharide solvent; c) combining the soy extract solution and oligosaccharide solution to form an encapsulated soy extract mixture; d) precipitating impurities from the encapsulated soy extract mixture; e) separating the precipitated impurities from the encapsulated soy extract mixture; f) adding alkali to the encapsulated soy extract mixture to increase the pH and then conducting ion exchange to remove ionic components from the encapsulated soy extract mixture; and g) drying the encapsulated soy extract mixture. 2. The process of claim 1 wherein the soy extract solution is obtained by mixing one or more soy extracts with soy extract solvent at a temperature of about 30° C. to about 105° C. and then centrifuging the mixed soy extracts and soy extract solvent at about 500 rpm to about 22,500 rpm. 3. The process of claim 2 wherein the soy extract solvent is selected from the group consisting of water, ethanol, methyl alcohol, acetone, ether, isopropyl alcohol, hexane, carbon dioxide and combinations thereof. 4. The process of claim 1 wherein the oligosaccharide solution is obtained by mixing one or more oligosaccharides with water at about 30° C. to about 115° C. 5. The process of claim 4 wherein alkali is added to the oligosaccharide solution. 6. The process of claim 5 wherein the alkali added to the oligosaccharide solution is selected from the group consisting of potassium hydroxide, sodium hydroxide, magnesium hydroxide, calcium oxide, zinc oxide, aluminum oxide, sodium dicarbonate, magnesium oxide, and combinations thereof. 7. The process of claim 1 wherein the soy extract is an isoflavone derivative. 8. The process of claim 7 wherein the isoflavone derivative is selected from the group consisting of daidzin, glycitin, genistin, daidzein, glycitein, genistein and combinations thereof. 9. The process of claim 1 wherein the oligosaccharide is selected from the group consisting of α-cyclodextrin, β-cyclodextrin, γ-cyclodextrin and combinations thereof. 10. The process of claim 1 wherein the soy extract solution and oligosaccharide solution are combined by mixing at about 40° C. to about 130° C. at about 100 rpm to about 25,000 rpm and at about pH 4 to about pH 12. 11. (canceled) 12. The process of claim 10 wherein the soy extract solution and oligosaccharide solution are combined for a period of time of about 1 minute to about 10 hours. 13-17. (canceled) 18. The process of claim 1 wherein the encapsulated soy extract mixture is centrifuged at about 500 rpm to about 25,000 rpm. 19-22. (canceled) 23. The process of claim 1 wherein the ion exchange is performed by flowing the encapsulated soy extract mixture through an ion exchange column filled with exchange resin selected from the group consisting of cationic exchange resin, anionic exchange resin and combinations thereof. 24-25. (canceled) 26. The process of claim 1 wherein the ion exchange comprises adding ion exchange resins to the encapsulated soy extract mixture, stirring the encapsulated soy extract mixture and ion exchange resins for about 1 minute to about 10 hours to form ionic components and separating the ionic components from the encapsulated soy extract mixture. 27-30. (canceled) 31. An encapsulated soy extract made by the process of claim 1. 32. An encapsulated material comprising one or more soy extracts encapsulated with oligosaccharide wherein the encapsulated material comprises less than about 1% primary impurities and has solubility in water of about 99% to 100% based on a solution of about 1%. 33. The encapsulated material of claim 32 wherein the soy extract is an isoflavone derivative. 34. The encapsulated material of claim 33 wherein the isoflavone derivative is selected from the group consisting of daidzin, glycitin, genistin, daidzein, glycitein, genistein and combinations thereof. 35. The encapsulated material of claim 32 wherein the oligosaccharide is selected from the group consisting of σ-cyclodextrin, β-cyclodextrin, γ-cyclodextrin and combinations thereof. 36. The encapsulated material of claim 32 comprising less than about 0.7% primary impurities. 37-38. (canceled)
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