干燥介质对冷冻干燥乳酸菌残余水分含量和活力的影响。
Effect of drying medium on residual moisture content and viability of freeze-dried lactic Acid bacteria.
机构信息
Centro de Referencia para Lactobacilos (CERELA), Chacabuco 145, and Instituto de Microbiología, Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, 4000 Tucumán, Argentina.
出版信息
Appl Environ Microbiol. 1985 Feb;49(2):413-5. doi: 10.1128/aem.49.2.413-415.1985.
Abstract
The effect of various substances on the relationship between residual moisture content and the viability of freeze-dried lactic acid bacteria has been studied. Compounds such as polymers, which display considerable ability in displacing water, showed no protective action during freeze-drying. Adonitol, on the other hand, produced the smallest change in water content at various times during drying and allowed the highest rate of survival.
摘要
研究了各种物质对冷冻干燥乳酸菌的残余水分含量与生存能力之间关系的影响。在冷冻干燥过程中，具有相当脱水能力的聚合物等化合物没有表现出保护作用。相反，甘露醇在干燥过程的不同时间内使水分含量的变化最小，并允许最高的存活率。
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