The sour taste you take when you look at the taste of lemon is citric acid. Lemons are very acidic. This citric acid in lemon juice makes an incredible job of preventing all kinds of stains and dirty accumulation. Wiping the dirt-stains makes them mean something to make them come out easier. In addition, this natural acidic structure of lemon also acts as a powerful antibacterial agent to reduce nasty smells and mold, and also allows you to keep cleaned areas clean for longer. In addition, some odor types such as garbage, fish cooking or decaying vegetables are alkaloids, acidic strong citrus flavor helps to neutralize these smells.