Abstract
Dextransucrase (EC 2.4.1.5) is an extracellular enzyme produced by several species of Leuconostoc and Streptococcus. When this enzyme is excreted in the culture medium in presence of sucrose, it is possible to produce dextran, by the sucrose broken in glucose and fructose, that should be used in the construction of the structure of dextran by transference to the receptor site. The objecti…