There are a few different factors to consider when choosing the most hygienic chopping board. The material of the board is one important factor, as some materials are more resistant to bacteria than others. Plastic and bamboo cutting boards are generally considered to be the most hygienic, as they're less porous than wood and won't harbor bacteria as easily. Additionally, it's important to choose a cutting board that is easy to clean and disinfect. You should avoid using any board that has cracks or crevices, as these can collect bacteria.
It's also important to practice good chopping board hygiene in order to keep your board as clean as possible. Always wash your cutting board with hot, soapy water after each use. You should also disinfect it regularly with a diluted bleach solution or white vinegar. If you have any deep cuts or gouges in your cutting board, throw it away immediately, as these can become breeding grounds for bacteria. With proper care, you can keep your chopping board clean and safe for years to come!