Preventing Cross-Contamination in Kitchens

The Problem of Cross-Contamination

Cross-contamination is a significant concern in kitchens and food preparation areas:

• Bacteria from raw foods can transfer onto cooked foods via shared chopping boards.
• Despite cleaning, bacteria can persist on chopping boards, posing a risk of contamination.
• Misuse of chopping boards can lead to unintended cross-contamination.

Colour-Coded Chopping Boards

Current food safety guidelines recommend using different coloured chopping boards to prevent cross-contamination:

• Red: For raw meats like steaks and lamb.
• Blue: For fish, including filleting and preparation.
• Yellow: For high-risk foods such as cooked meats, hams, and pates.
• Green: For salads and vegetables like tomatoes and onions.
• Brown: For vegetables such as carrots and chips.
• White: For bakery and dairy products like bread and cheeses.

Cleaning and Maintenance

Proper cleaning and maintenance of chopping boards are essential:

• Ensure chopping boards are cleaned thoroughly, either in a dishwasher or following kitchen protocols.
• Replace chopping boards when they develop cuts or scratches to maintain hygiene standards.
• Wooden chopping boards should be reserved solely for meat due to difficulty in cleaning.
• Store chopping boards in a rack to prevent contact between different boards and facilitate drying.

By adhering to these practices, kitchens can effectively minimise the risk of cross-contamination and uphold food safety standards.