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1. 发明授权

US3780181A Preparation of active dry yeast 失效
标题翻译：活性干燥YEAST的制备
公开(公告)号：US3780181A
公开(公告)日：1973-12-18
申请号：US3780181D
申请日：1972-09-05
申请人： DISTILLERS CO YEAST LTD
发明人： TREVELYAN W
IPC分类号： C12N1/18 , C12N1/04 , C12R1/865 , A23J1/18 , C12C11/32
CPC分类号： C12N1/04
摘要： ACTIVE DRY YEAST IS PREPARED BY CONTINUOUSLY FEEDING CRUMBLY YEAST INTO A MILL CONTAINING A HIGH SPEED ROTOR WHEREIN THE YEAST IS DISINTEGRATED TO A PARTICLE SIZE LESS THAN 1.7 MM. PREDOMINANTLY BY AIR TURBULENCE WITHOUT SUBSTANTIAL BREAKDOWN OF THE YEAST CELLS. THEREAFTER, THE DISINTEGRATED YEAST IS DRIED TO A DRY MATTER CONTENT OF AT LEAST 92%.

2. 发明授权

US4335144A Preparation of porous active yeast granules 失效
标题翻译：多孔活性酵母颗粒的制备
公开(公告)号：US4335144A
公开(公告)日：1982-06-15
申请号：US226146
申请日：1981-01-19
申请人： Franz-Josef Carduck , Dietrich Kloetzer , Gerard Veldman
发明人： Franz-Josef Carduck , Dietrich Kloetzer , Gerard Veldman
IPC分类号： C12N1/04 , C12C11/18 , C12C11/32
CPC分类号： C12N1/04
摘要： Porous granules of active yeast are produced by mixing moist yeast having a solids content of 30% to 40% with a gas in an amount of 0.2 to 2.0 times the volume of the yeast, extruding the resultant mixture at a pressure of from 1 to 10 atmospheres through orifices having a length to diameter ratio of about 1:1 to 4:1 and allowing escape of gas from the interior of the resultant extrudate to form pores communicating with the surface to produce porous granules of active yeast. The granules may be dried to produce active dry yeast granules having a total surface area formed by the outside surface plus the interior surface of the granules of at least 1.5 times the total area of the outside surface of the granules. The active dry yeast granules have good vitality and are capable of rapid rehydration and regeneration.
摘要翻译：活性酵母的多孔颗粒通过将固体含量为30％至40％的湿酵母与酵母体积的0.2至2.0倍的气体混合而制得，将所得混合物在1至10的压力下挤出大气通过具有约1:1至4:1的长径比的孔，并允许气体从所得挤出物的内部排出，以形成与表面连通的孔，以产生活性酵母的多孔颗粒。可以将颗粒干燥以产生具有由外表面加上颗粒的内表面形成的总表面积至少为颗粒外表面总面积的1.5倍的活性干酵母颗粒。活性干酵母颗粒具有良好的活力，能快速补液和再生。

3. 发明授权

US4217420A Active dried baker's yeast 失效
标题翻译：活性干面包酵母
公开(公告)号：US4217420A
公开(公告)日：1980-08-12
申请号：US943134
申请日：1978-09-18
申请人： Arend Langejan
发明人： Arend Langejan
IPC分类号： A21D8/04 , C12N1/04 , C12C11/32
CPC分类号： C12N1/04 , A21D8/047
摘要： An active dried bakers' yeast is prepared with a dry matter content of at least 85% by weight, a protein content (%N.times.6.25) of 45 to 60% based on dry matter and an activity value of 420 to 600, when determined according to test method B.sup.2 as defined in the specification. The yeast has the advantages that it can be added as such to the flour prior to dough-making without preliminary soaking, and it is capable of better gas production than active dried yeasts hitherto available.
摘要翻译：制备活性干面包酵母，其干物质含量至少为85重量％，当测定时蛋白质含量（％N×6.25）为45〜60％，活性值为420〜600 根据说明书中定义的测试方法B2。该酵母的优点是可以在面团制作之前将面粉加入面粉中而不预先浸泡，并且与现有的活性干酵母相比，能够更好地生产气体。

4. 发明授权

US3885049A Preparation of active dry yeast 失效
标题翻译：活性干酵母的制备
公开(公告)号：US3885049A
公开(公告)日：1975-05-20
申请号：US34229473
申请日：1973-03-16
申请人： DISTILLERS CO YEAST LTD
发明人： TAYLOR ROBERT
IPC分类号： A21D8/04 , C12N1/04 , C12C11/32
CPC分类号： A21D8/047 , A21D8/04 , C12N1/04
摘要： Active dry yeast is prepared by a process involving feeding crumbly yeast with air into a mill in which the yeast is disintegrated without substantial breakdown of yeast cells, carrying the yeast out of the mill in a stream of air, separating the yeast from the airstream and drying the yeast to a dry content of at lest 92 percent using a fluidized or spouted bed system.
摘要翻译：活性干酵母通过包括将空气稀释的酵母与空气一起加入到粉碎机中的方法来制备，其中酵母分解而没有大量的酵母细胞分解，将酵母从空气流中排出磨机，将酵母与气流分开，使用流化或喷射床系统将酵母干燥至少达92％的干燥含量。

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