Cinnamon – melt 2 tbsp. of cinnamon in ½ liter of water and put some cloves. Sprinkle the room where there are ants with this mixture.
Water and detergent for the dishes – Put one liter of water to boil. In the boiled water put a few drops of dish detergent and soak the critical areas.
Baking soda and powdered sugar – Make a mixture from these ingredients and put it on places where you have the ants.
Ground coffee – Put some coffee on the places where you have ants. It will not eliminate them, but will make them change their location (your home)
Source : www.cuisineandhealth.com