1998
DOI: 10.1046/j.1472-765x.1998.00456.x
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Sensitization of thermally injured spores of Bacillus stearothermophilus to sodium benzoate and potassium sorbate

Abstract: M . L OP E Z, S. M AR TI N EZ , J . GO NZ A LE Z, R . M AR T IN AN D A. BE R NA RD O . 1998. The effects of sodium benzoate and potassium sorbate added to the recovery medium, at different pH values (6·5, 6·0 and 5·0), on the recovery rates and heat resistance of Bacillus stearothermophilus spores (ATCC 12980, 7953, 15951 and 15952) were investigated. Heated spores of strains 12980 and 7953 were inhibited by sorbate concentrations over 0·05%. Potassium sorbate at concentrations as low as 0·025%, and sodium ben… Show more

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Cited by 13 publications
(3 citation statements)
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“…(6)), the z-value for the spores of G. stearothermophilus studied in this study (approx. 13 K) was higher than the literature data (6.6 and 10.5 K) reported in previous studies (e.g., Behringer, & Kessler, 1992;Busta, 1967;Feeherry, Munsey, & Rowley, 1987;Lopez, Martinez, Gonzalez, Martin, & Bernardo, 1998;Periago et al, 1998;Russel, 1982;Wescott et al, 1995;Westhoff & Dougherty, 1981). Interestingly, David and Merson (1990) reported a z-value of 16.9 K for B. stearothermophilus at temperatures between 145 and 160 C, which would also be in the range of the z-value determined in this study (Table 1).…”
Section: Discussioncontrasting
confidence: 55%
“…(6)), the z-value for the spores of G. stearothermophilus studied in this study (approx. 13 K) was higher than the literature data (6.6 and 10.5 K) reported in previous studies (e.g., Behringer, & Kessler, 1992;Busta, 1967;Feeherry, Munsey, & Rowley, 1987;Lopez, Martinez, Gonzalez, Martin, & Bernardo, 1998;Periago et al, 1998;Russel, 1982;Wescott et al, 1995;Westhoff & Dougherty, 1981). Interestingly, David and Merson (1990) reported a z-value of 16.9 K for B. stearothermophilus at temperatures between 145 and 160 C, which would also be in the range of the z-value determined in this study (Table 1).…”
Section: Discussioncontrasting
confidence: 55%
“…Reductions in the D values of several molds (B. nivea, Aspergillus flavus, Penicillium puberulum, and Geotrichum candidum) after addition of 1000 μg/mL of sodium benzoate have been observed in past studies [28]. Inhibitory effects of sodium benzoate on heat-damaged Bacillus stearothermophilus spores have also been reported by other authors [29]; however, to the best of our knowledge, the heat sensitization of spores of B. subtilis by sodium benzoate was first reported in this study. Nevertheless, the effectiveness of chemical preservatives is often limited by their actions or adverse effects in food products [30].…”
Section: Ph Sensitivity Of Bacterial and Mold Spores In Guavasupporting
confidence: 65%
“…The potentiation of the lethal effect of antimicrobial agents by exposure of organisms to combinations of several sub‐lethal stresses has been reported previously. For example, mild heat treatment enhanced the inhibitory properties of 0·1% benzoate against Bacillus stearothermophilus , while alkali or enzyme‐based cleaning agents increased the sporicidal activity of peroxygen disinfectants against Bacillus cereus (Lopez et al . 1998; Langsrud et al .…”
Section: Discussionmentioning
confidence: 99%