The efficacy and safety of high‐pressure processing of food

食品科学 食品安全 帕斯卡化 新奇的食物 食品加工 医学 高压 化学 机械 物理
作者
Konstantinos Koutsoumanis,Avelino Álvarez‐Ordóñez,Avelino Álvarez‐Ordóñez,Sara Bover‐Cid,Marianne Chemaly,Marianne Chemaly,Alessandra De Cesare,Lieve Herman,Friederike Hilbert,Roland Lindqvist,Maarten Nauta,Maarten Nauta,Giuseppe Ru,Marion Simmons,Panagiotis Skandamis,Pier Sandro Cocconcelli,Holger Zorn,Matteo Crotta,Konrad Grob,Maria Rosaria Milana,Annette Petersen,Artur Xavier Roig Sagués,Filipa Silva,Eric Barthélémy,Anna Christodoulidou,Winy Messens,Ana Allende
出处
期刊:EFSA Journal [Publications Office of the European Union]
卷期号:20 (3) 被引量:38
标识
DOI:10.2903/j.efsa.2022.7128
摘要

High-pressure processing (HPP) is a non-thermal treatment in which, for microbial inactivation, foods are subjected to isostatic pressures (P) of 400-600 MPa with common holding times (t) from 1.5 to 6 min. The main factors that influence the efficacy (log10 reduction of vegetative microorganisms) of HPP when applied to foodstuffs are intrinsic (e.g. water activity and pH), extrinsic (P and t) and microorganism-related (type, taxonomic unit, strain and physiological state). It was concluded that HPP of food will not present any additional microbial or chemical food safety concerns when compared to other routinely applied treatments (e.g. pasteurisation). Pathogen reductions in milk/colostrum caused by the current HPP conditions applied by the industry are lower than those achieved by the legal requirements for thermal pasteurisation. However, HPP minimum requirements (P/t combinations) could be identified to achieve specific log10 reductions of relevant hazards based on performance criteria (PC) proposed by international standard agencies (5-8 log10 reductions). The most stringent HPP conditions used industrially (600 MPa, 6 min) would achieve the above-mentioned PC, except for Staphylococcus aureus. Alkaline phosphatase (ALP), the endogenous milk enzyme that is widely used to verify adequate thermal pasteurisation of cows' milk, is relatively pressure resistant and its use would be limited to that of an overprocessing indicator. Current data are not robust enough to support the proposal of an appropriate indicator to verify the efficacy of HPP under the current HPP conditions applied by the industry. Minimum HPP requirements to reduce Listeria monocytogenes levels by specific log10 reductions could be identified when HPP is applied to ready-to-eat (RTE) cooked meat products, but not for other types of RTE foods. These identified minimum requirements would result in the inactivation of other relevant pathogens (Salmonella and Escherichia coli) in these RTE foods to a similar or higher extent.
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