1. Sol biopolymer comprising at least an extracellular polymeric substance (EPS), produced by biogenic Rhizobium tropici, wherein the salt is prepared by a process comprising: culturing a composition wherein the composition comprises a culture of Rhizobium tropici, water, at least one yeast, at least one sugar, at least one of potassium phosphate and at least one of calcium chloride, wherein the cultivation is carried out at a temperature of from 65 to 105 ° F (from about 18.3 to about 40,6 ° C), wherein the cultivation is carried out under aerobic conditions, wherein aerobic conditions include CBFP Hb dissolved oxygen of at least 0.1 mg / L, wherein the cultivation is carried out during the culture period of 4-8 weeks, adding at least one additional portion of nutrients into the composition during the cultivation period, wherein at least one additional portion of nutrients comprises at least flavonoid and at least one sugar selection cultured composition from the composition when the concentration of the EPS in the composition is at least 4 g / l dehydration cultured composition od them by a method selected from the group consisting of rapid evaporation, freeze drying, rotary evaporation, vacuum distillation, steam evaporation, contact drying, boiling, deposition of solvent and combinations thereof, adding an alkali agent to the cultured composition to achieve about pH 9,5- 13 salt ivydelenie from cultured kompozitsii.2. The salt according to claim 1, wherein after the step of dehydration cultured composition is at least 10% (by weight) of the weight kompozitsii.3. The salt according to claim 1, wherein the flavonoid is selected from the group coc1. Соль, содержащая биополимер по меньшей мере внеклеточного полимерного вещества (EPS), биогенно продуцируемого Rhizobium tropici, причем соль получают способом, включающим:культивирование композиции,где композиция содержит культуру Rhizobium tropici, воду, по меньшей мере одни дрожжи, по меньшей мере один сахар, по меньш
