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    • 8. 发明申请
    • PROCESS FOR THE PREPARATION OF ACTIVE DRIED MICROORGANISMS
    • 制备活性干燥微生物的方法
    • WO1981001415A1
    • 1981-05-28
    • PCT/NL1980000038
    • 1980-11-17
    • GIST BROCADES NVRIET J VANBRUIJN J
    • GIST BROCADES NV
    • C12N01/18
    • C12N1/04C12N1/005
    • Process for the preparation of active dried microorganism mass and in particular active dried baker's yeast, comprising a disintegration of a compressed mass of microorganisms into particles and drying these particles in a fluidized bed drying equipment without previously dried air up to a dry matter content of from 75 to 90%, whereafter the particles of the microorganism mass are additionally treated in a vacuum drum, at a temperature of from 25 to 45`C and a pressure of from 1-10 mm Hg (133-1330 Pa), until the particles have reached a final dry matter content of from 90-98%. Preferably yeast particles are initially dried in a fluidized bed dryer using air of an initial temperature of from 90-130`C and having a space velocity in the bed of 0.8-2.0 m/s, while the particles are kept on a wet-bulb temperature of at most 45`C, and whereby the load of the fluidized bed dryer is 100-1000 kg/m s floor area. More preferably a surface active agent is added to the microorganism mass before drying.
    • 用于制备活性干燥微生物块,特别是活性干燥面包酵母的方法,包括将压缩的微生物块分解成颗粒并在流化床干燥设备中干燥这些颗粒,而没有预先干燥的空气直到干物质含量为 75至90%,然后在真空鼓中,在25至45℃的温度和1-10mmHg(133-1330Pa)的压力下额外处理微生物块的颗粒,直到颗粒 已达到90-98%的最终干物质含量。 优选地,酵母颗粒最初在流化床干燥器中使用初始温度为90-130℃的空气干燥,床的空速为0.8-2.0m / s,而颗粒保持在湿球 温度最高为45℃,流化床干燥器的负荷为100-1000kg / m 2的占地面积。 更优选地,在干燥之前向微生物块中加入表面活性剂。