Iodine in the crude macauba oil presented a value of 76.94 Wijs. After the under pressure esterification reaction, the iodine value in ethyl esters increased 2.2% as shown in Table 5. This increase is related to the 0.62% increase in the ethyl esters of unsaturated fatty acids, as shown in Table 2. The iodine value for ethyl esters of crude oil macauba pulp