Modelling the overall effect of pH on the apparent heat resistance of Bacillus cereus spores

International Journal of Food Microbiology

Volumn 49, Issue 1-2, 1999, Pages 57-62

  Couvert, Olivier ^a   Leguerinel, Ivan ^a   Mafart, Pierre ^a  

^a Lab Univ Microbiologie Appl Q   (France)

Author keywords

Bacillus cereus; Heat resistance; pH; Recovery

Indexed keywords

ARTICLE; BACILLUS CEREUS; BACTERIAL SPORE; CLOSTRIDIUM BOTULINUM; CONTROLLED STUDY; HEAT TOLERANCE; HEAT TREATMENT; MODEL; NONHUMAN; PH;

BACILLUS CEREUS; HEAT; HYDROGEN-ION CONCENTRATION; MODELS, BIOLOGICAL; SPORES;

EID: 0032807580     PISSN: 01681605     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0168-1605(99)00052-5     Document Type: Article

References (14)

1. Aderton G., Ito K.A., Chen J.K. Chemical manipulation of the heat resistance of Clostridium botulinum spores. Appl. Environ. Microbiol. 31:1976;492-498.
2. Cook A.M., Brown M.R. Relationship between heat activation and percentage colony formation for Bacillus stearothermophilus spores: effects of storage and pH on the recovery medium. J. Appl. Bacteriol. 28:1965;361-364.
3. Cook A.M., Gilbert R.J. Factors affecting the heat resistance of Bacillus stearothermophilus spores. I. The effect of recovery conditions on colony count of unheated and heated spores. J. Food Technol. 3:1968;285-293.
4. Davey K.R., Lin S.H., Wood D.G. The effect of pH on continuous high temperature/short time sterilisation of liquids. Am. Inst. Chem. Eng. J. 24:1978;537-540.
5. Gaillard S., Leguérinel I., Mafart P. Modelling combined effects of temperature and pH on heat resistance of spores of Bacillus cereus. Food Microbiol. 15:1998;625-630.
6. Jordan R., Jacobs S. Studies in the dynamics of disinfection. XIV. The variation of the concentration exponent for hydrogen and hydroxyl ions with the mortality level using standard cultures of Bact. coli at 51°C. J. Hyg. 46:1948;289-295.
7. Lopez M., Gonzalez I., Condon S., Bernardo A. Effect of pH heating medium on the thermal resistance of Bacillus stearothermophilus spores. Int. J. Food Microbiol. 28:1996;405-410.
8. Lopez M., Gonzalez I., Mazas M., Gonzalez J., Martin R., Bernardo A. Int. J. Food Sci. Technol. 32:1997;305-311.
9. Mafart P., Leguérinel I. Modelling combined effects of temperature and pH on heat resistance of spores by a linear-Bigelow equation. J. Food Sci. 63:1998;6-8.
10. Mallidis C.G., Scholefield J. Evaluation of recovery media for heated spores of Bacillus stearothermophilus. J. Appl. Bacteriol. 61:1986;517-523.
11. Santos M.H., Zarzo J.T. Evaluation of citric acid and GDL in the recovery at different pH levels of Clostridium sporogenes PA3679 spores subjected to HTST treatment conditions. Int. J. Food Microbiol. 29:1996;241-254.
12. Townsend C.T., Esty J.R., Baselt F.C. Heat resistance studies on spores of putrefactive anaerobes in relation to determination of safe processes for canned foods. Food Res. 3:1938;323-346.
13. Tsuji K., El-Bisi H.M., Esselsen W.B. Thermal resistance of Clostridium sporogenes (P.A. 3679) at the intermediate pH range. Food Technol. 14:1960;47.
14. Yokoya F., York G.K. Effect of several environmental conditions on the thermal death rate of endospores of aerobic, thermophilic bacteria. Appl. Microbiol. 13:1965;993-999.