Studies on Osmophilic Yeasts

Part V. Factors Aftecting Growth of Soy Yeasts and Others in the Environment of a High Concentration of Sodium Chloride. (II)

Abstract

The influences of temperature on growth and death of osmophilic yeasts in environments of both ordinary and high concentrations of sodium chloride were investigated. It was found that many osmophilic yeasts are able to grow in saline medium at a high temperature such as 40°, whereas in NaCl-free medium po growth occurred at the same temperature. Effects of various factors on this phenomena were examined. This halophilic property of yeast cells at a high temperature seemed to be due to the active metabolism of the cells in such an environment but not to the increase of heatstability of cell proteins or enzymes that might be caused by the dehydration by effect of sodium chloride.