Oxidative stability index. Oxidative stability index was determined by the use of a Rancimat
instrument (Metrohm Ltd.,Herisau, Switzerland) following AOCS Cd 12b-92 (2009) method. Oxidation was carried out at 100◦C with an airflow rate of 20 L/h,3 g of the H. courbaril L. pulp or seed lipid fraction and 60 mL of soft water in vials containing electrodes. The oxidative stability index was defined as the hours for the oil sample to develop a measurable rancidity.