Marco Aurélio Callegari

IntroductionPhytases of bacterial origin are the exogenous enzymes most widely used in the diets of monogastric animals, acting on the hydrolysis of phytate (myo-inositol 1,2,3,4,5,6-hexakis [dihydrogen] phosphate) to release the phosphate from this complex [1,2]. Phytases are commonly developed by means of genetic engineering [3], such as phytase from Escherichia coli expressed in Trichoderma ree ...

INTRODUCTIONSerious public health and economic issues are related to foodborne pathogens. Many discussions have been raised on the impact of these micro-organisms of food safety in the last decade, among them the role of Salmonella in pork is of major interest (Henao et al., 2010).Despite technological advances, Salmonella is still an important issue to the pork industry worldwide. Out of the esti ...