期刊
VIRUS RESEARCH
卷 102, 期 2, 页码 221-224出版社
ELSEVIER
DOI: 10.1016/j.virusres.2004.01.030
关键词
high pressure processing; Aichi virus; coxsackievirus; parechovirus
类别
The potential of high hydrostatic pressure processing (HPP) to inactivate Aichi virus (AiV), human parechovirus-1 (HPeV-1), and the coxsackievirus strains A9 and 135 was investigated. For coxsackievirus A9 (CAV9), a 5-min HPP treatment in minimum essential growth medium (MEM) supplemented with 10% fetal bovine sera (FBS) resulted in 3.4-, 6.5-, and 7.6-log(10) tissue culture infectious dose (50%) (TCID50) reductions at 400, 500, and 600 megaPascals (MPa), respectively. For HPeV-1, a 5-min treatment in MEM with 10% FBS resulted in reductions of 1.3-, 4.3-, and 4.6-log(10) TCID50 at 400, 500, and 600 MPa, respectively; however, AiV and coxsackievirus 135 (CBV5) in MEM supplemented with 2 and 10% FBS, respectively, remained fully infectious after a 5-min treatment at 600 MPa. These data establish that different picornaviruses have widely variable pressure inactivation thresholds in response to HPP. (C) 2004 Elsevier B.V. All rights reserved.
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