Water-soluble, the addition of flavor to the sugar-free matrix and, the method comprising spray drying the blend obtained, the matrix is, emulsifiers, film formers, and, citric acid, gluconic acid and tartaric acid, iron, It is selected from alkali metal and alkaline earth metal salts, containing at least one metal salt, a method of preparing a spray-dried flavor-containing particles. The method, high stability, permitting the preparation of flavor particles with oxidation and moisture resistance.