Effect of Food Residues on Norovirus Survival on Stainless Steel Surfaces
Author Information
Author(s): Takahashi Hajime, Ohuchi Ayumi, Miya Satoko, Izawa Yukino, Kimura Bon
Primary Institution: Tokyo University of Marine Science and Technology
Hypothesis
How do food residues affect the survivability of norovirus on stainless steel surfaces?
Conclusion
Food residues increase the survivability and resistance of norovirus to disinfectants, highlighting the importance of thorough cleaning in food processing environments.
Supporting Evidence
- Norovirus infectivity decreased significantly on residue-free stainless steel over 30 days.
- Food residues reduced the effectiveness of sodium hypochlorite in inactivating norovirus.
- The presence of food residues increased the resistance of norovirus to drying.
Takeaway
If food is left on surfaces, it helps norovirus survive longer, making it important to clean surfaces well to prevent sickness.
Methodology
The study used murine norovirus-1 to test survivability on stainless steel coupons with and without food residues.
Limitations
The study focused only on specific food types and conditions, which may not represent all scenarios.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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