The purpose of this scientific work is to present the biochemical content of the fruits on chokeberries Aronia melanocarpa Michx. Elliot. It also shows the nutritional value of the Aronia#39;s fruits for the human health and the therapeutic properties that it possesses. The research carried out during the period 2015-2017 regarding the average quantities accumulated by: dry substances, which is 20.6%, the sum of the sugars 4.90%, the accumulated acidity of 2.42%, the tanning substances and colorings of 182.92 mg%, vitamin C - 17.6 mg%, the biochemical content of the fruit of Aronia. It also shows the nutritional value of Aronia fruit for human health and its therapeutic properties and fruit quality expressed by the sugar / acid ratio ranging from 2.02 to 3.45.