A new high temperature short time process for microbial decontamination of seeds and food powders

Powder Technology

Volumn 157, Issue 1-3, 2005, Pages 108-113

  Fine, Frédéric ^a,b   Gervais, Patrick ^a  

^a UNIVERSITÉ DE BOURGOGNE   (France)

^b UNILEVER RESEARCH   (United Kingdom)

Author keywords

Granulometry; HTST process; Spores; Vegetative cells; Water activity

Indexed keywords

CELLS; COOLING; DECONTAMINATION; GRANULAR MATERIALS; HEAT TREATMENT; MICROORGANISMS; POWDERS; STRESS ANALYSIS;

GRANULOMETRY; HTST PROCESS; SPORES; VEGETATIVE CELLS; WATER ACTIVITY;

HIGH TEMPERATURE EFFECTS;

POWDER;

BACILLUS SUBTILIS; CONFERENCE PAPER; CONTROLLED STUDY; COOLING; CORRELATION ANALYSIS; FOOD CONTAMINATION; FUNGUS SPORE; HEAT TREATMENT; HIGH TEMPERATURE; MICROBIAL CONTAMINATION; MICROFLORA; NONHUMAN; POWDER; SACCHAROMYCES CEREVISIAE; WATER CONTENT;

EID: 26444533527     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2005.05.016     Document Type: Conference Paper

References (22)

1. F. Fine, and P. Gervais Décontamination des poudres alimentaires: revue bibliographique et nouvelles perspectives Sci. Aliment. 23 2003 367 394
2. W. Murrell, and W. Scott The heat resistance of bacterial spores at various water activities J. Gen. Microbiol. 43 1966 411 425
3. J. Corry The water relations and heat resistance of microorganisms Sci. Tech. Surv. - Br. Food Manuf. Ind. Res. Assoc. 73 1971 1 42
4. C. Laroche, and P. Gervais Unexpected thermal destruction of dried, glass beads-immobilized microorganisms as a function of water activity Appl. Environ. Microb. 69 2003 3015 3019
5. B.G. Härnulv, M. Johansson, and B.G. Snygg Heat resistance of Bacillus stearothermophilus spores at different water activities J. Food Sci. 42 1977 91 93
6. M. Mazas, S. Martinez, M. Lopez, A.B. Alvarez, and R. Martin Thermal inactivation of Bacillus cereus spores affected by the solutes used to control water activity of the heating medium Int. J. Food Microbiol. 53 1999 61 67
7. E. Ajandouz, and A. Puigserver Nonenzymatic browning reaction of essential amino acids: effect of pH on caramalization and Maillard reaction kinetics J. Agric. Food. Chem. 47 1999 1786 1793
8. F. Fine, and P. Gervais Efficiency of pulsed UV light for microbial decontamination of food powders J. Food. Prot. 67 2004 787 792
9. K. Brown Spore resistance and ultra heat treatment processes J. Appl. Bacteriol. Symp. Suppl. 76 1994 67S 80S
10. A. Mann, M. Kiefer, and H. Leuenberger Thermal sterilization of heat-sensitive products using high-temperature short-time sterilization J. Pharm. Sci. 90 2001 275 287
11. I. Martinez De Maranõn Etude des mécanismes de réponse de Saccharomyces cerevisiae à des perturbations osmotiques et thermiques Thèse de Doctorat d'Etat 1997 Université de Bourgogne - ENSBANA Dijon
12. I. Poirier, P.A. Marechal, S. Richard, and P. Gervais Saccharomyces cerevisiae viability is strongly dependant on rehydration kinetics and the temperature of dried cells J. Appl. Microbiol. 86 1998 87 92
13. P. Gervais, P.A. Marechal, J.M. Perrier-Cornet, E. Ferret, C. Laroche, Procédé de décontamination microbiologique de produits pulvérulents, International Patent no. WO/02071853, 2002.
14. R.G.K. Leuschner, and P.J. Lillford Thermal properties of bacterial spores and biopolymers Int. J. Food Microbiol. 80 2002 131 143
15. A. Driks Bacillus subtilis spore coat Microbiol. Mol. Biol. Rev. 63 1999 1 20
16. A. Atrih, and S.J. Foster Bacterial endospores: the ultimate survivors Int. Dairy J. 12 2002 217 223
17. H. Precht J. Christophersen H. Hensen Temperatur und Leben 1955 Springer-Verlag Berlin, Germany 35 42
18. A.D. Warth Heat stability of Bacillus cereus enzymes within spores and in extracts J. Bacteriol. 134 1980 27 34
19. A. Zaks, and A. Klibanov The effect of water on enzyme action in organic media J. Biol. Chem. 17 1988 8017 8021
20. A. Klibanov Enzymatic catalysis in anhydrous organic solvents Trends Biochem. Sci. 14 1989 141 144
21. K. Gawrisch, V.A. Parsegian, D.A. Hajduk, M.W. Tate, S.M. Graner, N.L. Fuller, and R.P. Rand Energetics of a hexagonal-lamellar-hexagonal-phase transition sequence in dioleoylphosphatidylethanolamine membranes Biochemistry 31 1992 2856 2864
22. E. Shalaev, and P.L. Steponkus Phase diagram of 1,2- dioleoylphosphatidylethanolamine (dope): water system at subzero temperatures and at low water contents Biochim. Biophys. Acta 1419 1999 229 247