Article: The variety of pourable salad dressings available in large containers for use in food service and home settings has increased in recent years.

The variety of pourable salad dressings available in large containers for use in food service and home settings has increased in recent years. Many had believed that this increased the potential for postprocess contamination, such as at salad bars where portions are removed from the same container by several different people over an extended period of time. The preservation of commercially processed salad dressings depends, in part, on mild heat treatments that reduce, control or eliminate microorganisms. The presence of acetic acid, lactic and citric acids, a low pH, salt, natural antimicrobials and preservatives, such as sorbic acid or benzoic acid, create a harsh ...

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