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Keywords:

  • sodium chloride;
  • calcium chloride;
  • potassium sorbate;
  • cucumbers;
  • pickles;
  • fermentation;
  • brine

ABSTRACT

Cucumber fermentation characteristics and pickle quality were evaluated in brines containing equilibrium concentrations of 0-0.4% CaCl2, 0-0.4% potassium sorbate and 0-10% NaCl. Changes in brine pH and acidity, cucumber texture and color, coliforms, lactic acid and total bacteria, yeasts and molds were followed over time. Results indicated that cucumber spoilage would eventually take place if NaCl or potassium sorbate were not present in the brine. The presence of CaCl2 helped maintain cucumber firmness. A synergistic action between NaCl, CaCl2 and potassium sorbate was seen, which allowed good quality pickles to be produced when moderate amounts of all three components were present in the brine (5% NaCl, 0.2% CaCl2, 0.2% potassium sorbate).