The city of Pelotas, located in the southern region of the state of Rio Grande do Sul stands out in the cultivation of peach, being considered the largest national producer of peaches for industry and fresh consumption. Studies show that, in general, peels of fruits have more nutrients than pulps. However, to have an adequate supply of macro and micronutrients, according to the Recommended Daily Intake (RDI), it is essential to determine the concentration of elements in the peels and pulps of fruits. Thus, this work presents the development of an analytical method to determine the concentration of minerals such as Ca, Cu, Fe, K, Mg, Mn, Na and Zn in peel and pulps of peach, comparing them with nutritional composition. Samples of four peach cultivars, produced in the Pelotas Region (BR-3, Tourmaline, Dourado-1 and BRS Libra) were analyzed. The determinations were performed by microwave-induced plasma optical emission spectrometry (MIP OES) technique. The peels and pulps were separated and triturate before analysis. For sample preparation was employed a digester block with reflux system using the following conditions: 500 mg of sample was weighed into a glass digester tube, and 5.0 mL of 9 mol L-1 HNO3 was added. The mixture was heated in a digester block at 135 °C for 3h. The tubes were removed from digester block and after cooling, 2 mL of H2O2 was added and the tubes were taken again to the digester block to finish the decomposition (1 h at 120 °C). Under these conditions, the parameters of acidity and total dissolved solids were within the limits established by the manufacturer of the MIP OES spectrometer. Also, the residual carbon also was determined and the obtained value (1.6% (m/m)) demonstrated the sample decomposition efficiency. The accuracy was evaluated through the analysis of certified reference material (CRM-Agro C1004a of tomato pulp) and recovery tests. The levels of minerals in the peels and pulps of peach were close for all cultivars analyzed, with no statistically significant difference. The profile of minerals in the peels showed that the concentrations of the elements investigated were higher than those found in the pulps: Ca (95 and 50 mg kg-1), Cu (1.34 and 0.97 mg kg-1), Fe (5.6 and 2.8 mg kg-1), Mg (142 and 95 mg kg-1), Mn (1.97 and 1.20 mg kg-1), Na (72 and 54 mg kg-1) and Zn (1.90 and 1.80 mg kg-1), respectively. Potassium showed the highest concentrations in all samples, with values in the peels and pulps of 1719 and 1549 mg kg-1, respectively. Copper was the element with the greatest contribution to the recommended daily intake, being able to supply 15% of the RDI value in the peels and 11% in the pulps, for 100 g of edible portion, followed by the others with contents less than 10%. The developed method was efficient for the determination of the minerals in peels and pulps of peach fruits, with no statistically significant differences between the cultivars analyzed; it was also proved that the peels have higher levels of essential minerals than the pulps.4 It follows that removal of peel from peach fruits may induce significant nutrient losses and because of that, the intake of fruits along with their peels can be more beneficial as a potential source of high-value components.