文献类型： 会议论文
第一作者： S. DESMONS
作者： S. DESMONS 1 ; H. KRHOUZ; P. EVRARD; P. THONART;
作者机构： 1.Centre Wallon de Biologie Industrielle, Faculte universitaire des sciences agronomiques de Gembloux, 2, Passage des Deportes, 8-5030 Belgium
关键词： L. brevis;freeze-drying;fermentation;accelerated storage test
会议名称： Biotechnology for Fuels and Chemicals(19)
主办单位：
页码： 513-526
摘要： The production of Lactobacillus brevis has been improved by changing the medium composition and the physiological conditions. The cellular concentration reaches 8.2 x 10~(10) cells/mL in 21 h with a fed-batch technique in MRS medium. Freeze-drying has been used as technology for drying the cells and survival rates have been improved with different additives such as glycerol, CaCO_3, and skimmed-milk powder up to 70%. A model has been developed to predict the stability of freeze-dried cultures during long-term conservation. This model, based on Arrhenius equation, has been confirmed by experimental data.
分类号： Q5
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