2016
DOI: 10.1016/j.jfoodeng.2016.02.023
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High pressure processing and thermosonication of beer: Comparing the energy requirements and Saccharomyces cerevisiae ascospores inactivation with thermal processing and modeling

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Cited by 47 publications
(26 citation statements)
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“…Quite recently, a combined AC and thermal application showed to exceed the purely thermal treatment in the inactivation efficiency of Saccharomyces cerevisiae ascospores in fermenting beer wort, around the temperature of 60°C (Milani et al, 2016). The flaw represented by the low energy efficiency, due to the poor performance of the AC process, can be eliminated when HC processes replace energy inefficient sonocavitation (Albanese et al, 2015).…”
Section: Theoretical Backgroundmentioning
confidence: 99%
“…Quite recently, a combined AC and thermal application showed to exceed the purely thermal treatment in the inactivation efficiency of Saccharomyces cerevisiae ascospores in fermenting beer wort, around the temperature of 60°C (Milani et al, 2016). The flaw represented by the low energy efficiency, due to the poor performance of the AC process, can be eliminated when HC processes replace energy inefficient sonocavitation (Albanese et al, 2015).…”
Section: Theoretical Backgroundmentioning
confidence: 99%
“…In addition, a past study with another yeast strain estimated energy requirements for 15 PU beer pasteurization by HPP and thermal processing and concluded HPP is more energy efficient, requiring 77 kJ/L compared to 189 kJ/L for conventional thermal treatment. [66] …”
Section: Recommendation Of Minimum Hpp Pasteurization Conditions For mentioning
confidence: 99%
“…Nevertheless, ascospores of S. cerevisiae are known to be one of the less resistant ascospores to HPP, as pressure levels of 400 MPa are able to reduce considerably the ascospores counts (Zook et al., ). For example, Milani, Ramsey, and Silva () reported 2.5 logs of S. cerevisiae ascospores inactivation after a pressure treatment at 400 MPa for 12 s at 25 °C in 4% ethanol beer. These inactivation values could be associated with a synergistic effect between pressure and the ethanol content; nevertheless, Milani and Silva () reported total ascospore loads (7 log units) after a pressure treatment at 600 MPa for 30 s at temperatures below 36 °C regardless the ethanol content (0, 4.8 and 7.0%) of beer, which shows the efficacy of pressure alone to destroy ascospores of S. cerevisiae , which may be interesting for the pasteurization of alcoholic beverages.…”
Section: Hpp As a Nonthermal Food‐processing Technologymentioning
confidence: 99%