Screening for the Antiviral Materials for Norovirus from Food Additives and Materials

Abstract

Total of 52 food additives and food materials were screened using norovirus surrogate feline calicivirus (FCV) to assess the effect of reduction against norovirus. Over 0.01% GSE (Grape Seed Extract) ethanol solution and FCV solution mixed by 1 : 1 for 1 min at room temperature, the virus infectivity were reduced <1/1,000. We had found out the effective antiviral activity in GSE containing Proanthocyanidin.