发明授权
US4601986A Protein product of reduced nucleic acid content and low allergenicity
失效
具有降低的核酸含量和低变应原性的蛋白质产物
- 专利标题： Protein product of reduced nucleic acid content and low allergenicity
- 专利标题（中）： 具有降低的核酸含量和低变应原性的蛋白质产物
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申请号： US518778申请日： 1983-07-29
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公开(公告)号： US4601986A公开(公告)日： 1986-07-22
- 发明人: Eugene H. Wegner , Lucas K. Shay
- 申请人： Eugene H. Wegner , Lucas K. Shay
- 申请人地址： OK Bartlesville
- 专利权人： Phillips Petroleum Company
- 当前专利权人： Phillips Petroleum Company
- 当前专利权人地址： OK Bartlesville
- 主分类号： C12N1/00
- IPC分类号： C12N1/00 ; C12N1/08 ; C12N1/32 ; C12N1/16 ; A23L1/28
摘要：
A nucleic acid-reduced substantially allergen-free single cell protein product is obtained by culturing a yeast, fungi or bacterium on an ultra-low sulfate medium, treating the produced cells with a base at a pH of about 9.5 with moderate heat, thereafter treating the base-treated cells with acid to a pH of about 4 with moderate heat, and treating the base-treated acid-treated cells with a relatively high temperature short time heat shock, followed by extrusion. Optionally, the extruded product is annealed.
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