1. Udalova, L.P., Dogaeva, L.A., Yurikova, E.V. (2016). Innovative types of soft drinks for functional food. Advances in current natural sciences, 11, 33–37. (In Russian)
2. Baby, N.V., Solovyeva, E.N., Pomozova, V.A., Kiseleva T. F. (2013). Tonics with functional propertiest. Food Processing: Techniques and Technology, 3(30), 101–105. (In Russian)
3. GOST R52844–2007. «Alcohol-free tonic beverages. General specifications». Moscow: Standartinform. 2008. —11 r. (In Russian)
4. Dyachenko, MA, Filatov, A. Yu., Kolesnov, A. Yu., Kochetkova, A.A. (1999). Non-alcoholic beverages as the main market segment of functional products. Beer and beverages, 2, 37–40. (In Russian)
5. Schmidt, V.V. (2009). Classification of functional drinks by the method of categorization. Author’s abstract of the dissertation for the scientific degree of Candidate of Technical Sciences. Kemerovo, KemTIPP. — 20 p. (In Russian)