Pulsed high pressure treatment for the inactivation of Saccharomyces cerevisiae: The effect of process parameters

Multi-pulsed high hydrostatic pressure inactivation of microorganisms: A review

“…Various terms have been used to define multi-pulsed HHP treatment, such as oscillatory pressurization and pressure oscillation (Hayakawa, Kanno, Masaaki & Fujio, 1994;Hayakawa, Kanno, Yoshiyama & Fujio, 1994;Kingsley, Guan, Hoover, & Chen, 2006;Palou, López-Malo, Barbosa-Cánovas, Welti-Chanes, Davidson & Swanson, 1998;Yuste et al, 2001), reciprocal pressurization (Furukawa, Nakahara, & Hayakawa, 2000;Furukawa, Shidoma, & Hayakawa, 2003), double treatment (Gola et al, 1996), intermittent treatment (Ponce, Pla, Capellas, Guamis, & Mor-Mur, 1998), interrupted treatment (Masschalck, García-Graells, Van Haver, & Michiels, 2000), dynamic pressure (Koseki & Yamamoto, 2007), discontinuous pressure (Goodridge, Willford, & Kalchayanand, 2006) cycling and cycled pressure (Bradley et al, 2000;Fioretto et al, 2005;Luscher, Balasa, Fröhling, Ananta & Knorr, 2004;Mills, Earnshaw, & Patterson, 1998;Rigaldie, Largeteau, Lemagnen, Demazeau, & Grislain, 2007;Rivalain et al, 2012), multiple-cycle (Del Olmo, Morales, Ávila, Calzada, & Nuñez, 2010Morales, Calzada, Ávila, & Nuñez, 2008;Morales, Calzada, Rodríguez, De Paz, & Nuñez, 2009), pulse(d) or step-pulse(d) pressure, and pressure pulsing (Ahn & Balasubramaniam, 2007;Alemán et al, 1996Alemán et al, , 1998Bari, Ukuku, Mori, Kawamoto, & Yamamoto, 2008;Basak & Ramaswamy, 2001;Basak, Ramaswamy, & Piette, 2002;Buzrul, Largeteau, Alpas, & Demazeau, 2008a;Donsì, Ferrari, & Maresca, 2007;Donsì et al, 2010;…”

Multi-pulsed high hydrostatic pressure treatment for inactivation and injury of Escherichia coli

“…When 10 pulses of HHP with no holding time was applied inactivation of E. coli was slightly more than one log 10 . Moreover no additive effect of pulses was observed just like the results of Donsì et al (2007). Chapleau et al (2006) demonstrated that compression and decompression rates had significant effect on the bacterial inactivation when the multipulsed HHP treatment with no holding time was applied.…”

“…Chapleau et al (2006) observed that higher compression and decompression rates in combination with holding time were more effective for the inactivation of Salmonella Typhimurium and L. monocytogenes. Donsì et al (2007), however, found that lower compression rate was more effective for inactivation of Saccharomyces cerevisiae if several pulses (more than 3 pulses) were applied. Donsì et al and selective (white) media for 300 s 9 1 pulse at 0 (just after HHP treatment), after 24, 48 and 72 h at 4°C.…”

“…In order to make this process economically feasible, the pressure magnitude needs to be reduced to a level sufficient to deliver satisfactory inactivation (Donsì et al 2007). …”

Modeling and predicting inactivation of Escherichia coli under isobaric and dynamic high hydrostatic pressure

“…Pulsed HHP treatment can effectively be used to inactivate microorganisms (Alemán et al, 1998); moreover, it is a convenient way to reduce the pressure level needed to inactivate the microorganisms (Donsì, Ferrari, & Maresca, 2007). However, it is also important to predict the inactivation of microorganisms during nonisobaric pressure treatment such as pulsed HHP processes.…”