1. Aligita, A.W., P.N. Tarigan, and E. Susilawati. 2020. Antiinflamatory and antioxidant activity of kefir water. International Journal of Biology, Pharmacy and Allied Sciences 9 (1): 2454–2464.
2. Alsayadi, M., Y. Al Jawfi, M. Belarbi, and F.Z. Sabri. 2013. Antioxidant potency of water kefir. Journal of Microbiology, Biotechnology and Food Sciences 2 (6): 2444.
3. Alvarez-Suarez, J.M., S. Tulipani, D. Díaz, Y. Estevez, S. Romandini, F. Giampieri, E. Damiani, P. Astolfi, S. Bompadre, and M. Battino. 2010. Antioxidant and antimicrobial capacity of several monofloral Cuban honeys and their correlation with color, polyphenol content and other chemical compounds. Food and Chemical Toxicology 48: 2490–2499.
4. AOAC (Association of Offıcial Analytical Chemists). 2012. Official methods of analysis of AOAC International, 19th ed. Arlington: Association of official analytical chemists.
5. Apak, R., K. Güçlü, M. Ozyürek, S.E. Karademir, and E. Erçağ. 2006. The cupric ion reducing antioxidant capacity and polyphenolic content of some herbal teas. International Journal of Food Sciences and Nutrition 57: 292–304. https://doi.org/10.1080/09637480600798132.