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Detection of food-borne viruses such as noroviruses, rotaviruses and hepatitis A virus in food products differs from detection of most food-borne bacteria, as most of these viruses cannot be cultivated in cell culture to date. Therefore, detection of food-borne viruses in food products requires multiple steps: first, virus extraction; second, purification of the viral genomic material (RNA for the majority of food-borne viruses); and last, molecular detection. This review is focused on the first step, the virus extraction. All of the numerous published protocols for virus extraction from food samples are based on 3 main approaches: 1) (acid adsorption-) elution-concentration; 2) direct RNA extraction; and 3) proteinase K treatment. This review summarizes these virus extraction approaches and the results obtained from published protocols. The use of process controls is also briefly described.
Originele taal-2Engels
TijdschriftInternational journal of food microbiology
Nummer van het tijdschrift1-2
Pagina's (van-tot)1-9
Aantal pagina's9
StatusGepubliceerd - 2012

ID: 365287