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Lactobacillus plantarum and Enterobacter Cloacae Growth In Cucumber Extracts Containing Various Salts
Author(s) -
NAEWBANIJ JOCELYN O.,
STONE MARTHA B.,
IV EDGAR CHAMBERS
Publication year - 1990
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/j.1365-2621.1990.tb03588.x
Subject(s) - chemistry , lactobacillus plantarum , enterobacter cloacae , salt (chemistry) , chloride , food science , sulfate , sodium , bacterial growth , inorganic chemistry , nuclear chemistry , bacteria , biochemistry , organic chemistry , lactic acid , enterobacteriaceae , biology , escherichia coli , genetics , gene
Salt substitutes included chlorides, sulfates and phosphates at 25%, 50% and 100% ionic strength equivalent to a concentration of 1M NaCl. At 100% NaCl substitution, chloride salts provided the most selective environment and sulfates showed no selectivity, whereas phosphates suppressed microbial, growth. Substitution of sulfates for NaCl generally increased generation times for both microorganisms. Substitution of KCl for NaCl at 50%, resulted in more selective growth of L. plantarum than in those with either KCl or NaCl alone. KCl was the only chloride substitute allowing growth of E. cloacae. Substitution of phosphates for NaCl at 50% enabled slow growth of L. plantarum.