Salvinia molesta D. S. Mitchell (Salviniaceae) is an invasive aquatic plant that causes environmental and economic damage, but its rapid growth in eutrophic media can be used for the biotechnological use of biomass. Thus, aim this work was to determine best technique lipid extraction from molesta, testing solvents hexane:methanol (2:1 v/v), ethanol:water (10% v/v) (4 % association with auxiliar...