The bacterial growth parameters (maximum population - κ, growth rate - µ and lag time - λ) of the pulp and rind of two different types of fruits, avocado (Persea americana) and custard apple (Annona squamosa), purchased in supermarkets in Campinas-SP, were determined using a "pool" of Salmonella spp., consisting of three strains with different genetic and phenotypic profiles (S. Typhimurium, S. Enteretidis and S. Montevideo). The settings of data multiplication curves were made by DMFit software