Abstract
The effects of 0–35 g.l‐1 sodium chloride on adhesion of Pseudomonasfragi grown in batch and in continuous culture were studied. The rates and extent of adhesion of the organisms to polystyrene were found to depend not only on the sodium chloride concentration but also on the physiological status of the cells when harvested. Thus the number of chemostat‐grown cells adhering to polystyrene was proportional to the growth rate. The extent of adhesion of cells grown to mid‐log phase in batch culture increased as the sodium chloride concentration increased. However, cells grown to stationary phase in the presence of 35 g.l‐1 sodium chloride adhered less to polystyrene than cells grown in the presence of 20 and 30g.l‐1. The possible implications of the results on the safety of reduced‐salt foods are discussed.
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