Kitchen fixtures and flooring are complimented very well with natural hardwoods and that has made them very popular. If you have wood surfaces in your kitchen you must keep in mind to fully butcher block countertops in your kitchen after every time it has been used. Wood is a naturally porous material and absorbs all food odors and bacteria. If you have more open-grained wood, it will be more porous. On the scale oak lies at the end and maple is on the end with tighter pores.
For cleaning the butcher block you can use gentle soaps like liquid dish washer combined with water. To keep it away from bacteria you can use bleach and water solution. Mix 1 tablespoon bleach with a gallon of water. Keep this mixture in a spray bottle as it works very well. You can spray and wipe the countertop after every use. Never use scouring cleanser such as Comet on wood countertops.
Wood countertops which have been designed for cutting are finished with mineral or any other penetrating oil. So that you are able to preserve the finish and maintain a stain resistant wood, it is good to apply non-toxic oil periodically, maybe once in a few months. Use USP-grade mineral oil which is also the cheapest food-grade oil and can easily be bought from a neighboring drug store. Don’t use olive or vegetable oil as it will turn sour.
It is good to heat the oil slightly before you apply it soft cloth, moving along the direction of the grains. Allow the oil to sit for around 4 to 6 hours and then wipe away all excess oil.
You may also be having marks and spills on the wood countertop. You need to get rid of them also from the older butcher-block countertops. It is best to get surface sanded and then resealed. Before you Decide to do that you can try shaking some salt on the marks, and scrubbing it with a cut lemon half. Allow this to stay overnight and then rinse it with water later. You can sponge a solution of water and 3 percent hydrogen peroxide for thicker stains.
In case you sand and reseal it you can use the professional alternative to mineral oils. There are special wood sealers made for food surfaces and you can try to find products known as Salad Bowl Finish. They are approved and are non-toxic for countertops.