1. A process for preparing a supersaturated solution of rebaudioside D, comprising the steps of: a) mixing rebaudioside D in aqueous solution by heating at elevated temperature to produce a heated solution of rebaudioside D with at least pH 7,0 b) cooling the rebaudioside D solution to obtain a supersaturated solution rebaudioside D c) adding at least one beverage ingredient in a supersaturated solution of rebaudioside D to give the beverage product precursor with a pH of at least 7.0 and d) acidifying beverage product precursor to a pH less than 4,0.2. The method of claim 1, wherein rebaudioside D solution is heated in step (a) to a temperature at least 80 ° C.3. The method of claim 1, wherein rebaudioside D solution is heated in step (a) to a temperature ranging from 75 ° C to 90 ° C.4. The method of claim 1, wherein rebaudioside D solution is heated in step (a) to a temperature ranging from 80 ° C to 85 ° C.5. The method of claim 1, wherein the mixing is at least partly carried out concurrently with nagrevaniem.6. The method of claim 1, wherein the mixing comprises mixing by applying a high shear usiliya.7. A method according to claim 1, wherein the concentration of rebaudioside D rebaudioside D in the supersaturated solution is at least about 500 parts per million (ppm) .8. A method according to claim 1, wherein the concentration of rebaudioside D rebaudioside D in the supersaturated solution is at least about 3000 parts per million.9. A method according to claim 1, wherein the concentration of rebaudioside D is at least 90% of the solubility limits of rebaudioside D in water at elevated temperature.10. The method of claim 1, wherein the acidification step beverage product precursor comprises adding at least one food acid in the predecessors1. Способ получения пересыщенного раствора ребаудиозида D, включающий стадии:a) смешивания ребаудиозида D в водном растворе с нагреванием при повышенной температуре с получением нагретого раствора ребаудиозида D с pH по меньш
