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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    World journal of microbiology and biotechnology 11 (1995), S. 512-514 
    ISSN: 1573-0972
    Keywords: Alcohol ; beer ; dialysis ; membrane-filtration ; transmembrane pressure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract An 8-μm thick Cuprophane hollow-fibre membrane not only had a higher ultrafiltration coefficient than an 11-μm thick membrane but was more permeable and selective for ethanol dialysis and extract removal from beer. Transmembrane pressures above 40 Pa did not affect alcohol removal but did prevent further extract removal and therefore improved the final beer quality. To achieve selective removal of alcohol, beer flow rates must be above the critical velocities but remain below values which would require too great a membrane area.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    World journal of microbiology and biotechnology 9 (1993), S. 70-72 
    ISSN: 1573-0972
    Keywords: Beer ; brewing ; non-head forming ale yeast ; Saccharomyces cerevisiae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Abstract The physiological characteristics of two strains of brewery ale yeasts,Saccharomyces cerevisiae, with sedimentation abilities, were investigated to see if the strains were suitable for lager beer production. Compared with typical industrial ale strains ofS. cerevisiae and lager strains ofS. uvarum (nowS. cerevisiae), the investigated strains differ in fermentation dynamics, as well as in biological properties. The differences, however, particularly between the two strains and the lager brewing yeasts, were not significant.
    Type of Medium: Electronic Resource
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