The two ingredients are white vinegar and 3% hydrogen peroxide. These are both cheap and available at the supermarket. When sprayed one after the other they are remarkably effective against germs such as Salmonella, Shigella, and E. coli. In addition to cleaning up after cooking, you can also use this combination to clean germs off of fruit and vegetables you're planning to eat.
Source:How to disinfect your salad