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    • 2. 发明授权
    • Recycle process for the production of low-cost soluble collagen
    • 生产低成本可溶性胶原蛋白的回收工艺
    • US5686262A
    • 1997-11-11
    • US488368
    • 1995-06-07
    • David J. FinkRichard S. Brody
    • David J. FinkRichard S. Brody
    • A61K38/00C07K14/78D21H11/14D21H17/22D21H21/18D21H17/00C12P21/00C12P21/06C07K3/12
    • C07K14/78D21H17/22A61K38/00D21H11/14D21H21/18
    • The invention includes a method that provides a low cost aqueous solution of solubilized collagen by the steps of: (a) providing an aqueous ground slurry of insoluble collagen and adjusting the pH of said slurry to obtain activity for a proteolytic enzyme added in Step b; (b) adding said proteolytic enzyme to said pH adjusted slurry; (c) reacting the slurry and enzyme of Step b and/or recycled insoluble collagen and enzyme from Step e at a temperature, T, and for a time, t, effective for forming a solution increased in solubilized collagen; (d) adding additional water and insoluble collagen to said solution of Step c and mixing; (e) separating at least some of the solution of Step d containing solubilized collagen from insoluble collagen, whereby at least a portion of said insoluble collagen and proteolytic enzyme is recycled to Step c, and the separated solution containing solubilized collagen is withdrawn as product; an alternative embodiment provides for the direct production of solubilized collagen without the recycle step.
    • 本发明包括通过以下步骤提供低成本的溶解胶原水溶液的方法:(a)提供不溶性胶原的水性研磨浆液并调节所述浆液的pH以获得在步骤b中添加的蛋白水解酶的活性; (b)将所述蛋白水解酶加入到所述pH调节浆液中; (c)使步骤b的浆液和酶和/或来自步骤e的再循环不溶性胶原蛋白和酶在温度T下反应一段时间t,以有效形成溶解胶原中增加的溶液; (d)向步骤c的所述溶液中加入额外的水和不溶性胶原并混合; (e)将含有可溶化胶原蛋白的步骤d的至少一部分溶液从不溶性胶原中分离,由此将至少一部分所述不溶性胶原和蛋白水解酶再循环至步骤c,将含有溶解胶原的分离液作为产物取出; 替代实施例提供了直接生产溶解胶原蛋白而没有循环步骤。
    • 3. 发明授权
    • Recycle process for the production of low-cost soluble collagen
    • 生产低成本可溶性胶原蛋白的回收工艺
    • US5460967A
    • 1995-10-24
    • US250803
    • 1994-05-27
    • David J. FinkRichard S. Brody
    • David J. FinkRichard S. Brody
    • A61K38/00C07K14/78D21H11/14D21H17/22D21H21/18C12P21/00C12N9/99
    • C07K14/78D21H17/22A61K38/00D21H11/14D21H21/18
    • The invention includes a method that produces a low cost aqueous solution of solubilized collagen by the steps of: (a) providing an aqueous ground slurry of insoluble collagen and adjusting the pH of said slurry to obtain activity for a proteolytic enzyme added in Step b; (b) adding said proteolytic enzyme to said pH adjusted slurry; (c) reacting the slurry and enzyme of Step b and/or recycled insoluble collagen and enzyme from Step e at a temperature, T, and for a time, t, effective for forming a solution increased in solubilized collagen; (d) adding additional water and insoluble collagen to said solution of Step c and mixing; (e) separating at least some of the solution of Step d containing solubilized collagen from insoluble collagen, whereby at least a portion of said insoluble collagen and proteolytic enzyme is recycled to Step c, and the separated solution containing solubilized collagen is withdrawn as product; an alternative embodiment provides for the direct production of solubilized collagen without the recycle step.
    • 本发明包括通过以下步骤产生低成本的溶解胶原水溶液的方法:(a)提供不溶性胶原的水性研磨浆液并调节所述浆液的pH以获得在步骤b中添加的蛋白水解酶的活性; (b)将所述蛋白水解酶加入到所述pH调节浆液中; (c)使步骤b的浆液和酶和/或来自步骤e的再循环不溶性胶原蛋白和酶在温度T下反应一段时间t,以有效形成溶解胶原中增加的溶液; (d)向步骤c的所述溶液中加入额外的水和不溶性胶原并混合; (e)将含有可溶化胶原蛋白的步骤d的至少一部分溶液从不溶性胶原中分离,由此将至少一部分所述不溶性胶原和蛋白水解酶再循环至步骤c,将含有溶解胶原的分离液作为产物取出; 替代实施例提供了直接生产溶解胶原蛋白而没有循环步骤。