Why do cutting boards often become permanent homes for bacteria in a kitchen?
Answer
Knife cuts create deep grooves that are difficult to sanitize.
Cutting boards are subject to repeated use of knives, which inevitably slice into the surface and create grooves or scratches. These physical imperfections serve as protected havens for organic matter and bacteria, making it extremely difficult to remove all residues even with standard washing. If these boards are not scrubbed thoroughly with hot, soapy water after every use, the grooves become permanent sites for microbial colonization, potentially leading to cross-contamination if the board is reused without proper sanitization.
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