It may be difficult to completely eliminate the harmful substances from fresh fruits and vegetables, but at least you can reduce their level.
Healthy fruits and vegetables that enable rich trove of medicinal ingredients often contain harmful substances like various chemicals and pesticides.
Even if it is almost impossible to completely eliminate them, still, there is a way to make them safer to use.
Given that the largest concentration of harmful substances is on the surface of fruits and vegetables, you should particularly pay attention to the washing of these products.
Put fresh fruits and vegetables in a mixture of water and vinegar (the ratio should be 10:1 in favor of water) for about 15 minutes. Then wash the foods and they are already safer to be used.