Abstract

Ionizing technologies rely on high doses of irradiation to achieve 5-log reduction of foodborne viruses. We hypothesized that riboflavin (vitamin B2), a singlet oxygen enhancer could synergize the virucidal effects of electron beam (eBeam) and X-ray doses by using Tulane virus as a model virus. Concentrations of up to 1% w/v riboflavin were evaluated against 1 kGy X-ray treatments. Also 0.1% riboflavin was evaluated against eBeam treatments up to 10 kGy. The results showed that riboflavin did not enhance the sensitivity of Tulane virus to either eBeam or X-ray treatments.

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