Izza, A. N., Lestari, C. R. ., & Hidayat, U. . (2026). Differences in Sugar Concentration on Flavonoid Levels in Roselle Kombucha (Hibiscus sabdariffa L.) As An Antioxidant Beverage. Journal of Biomedical Sciences and Health , 3(1), 70-76. https://doi.org/10.34310/jbsh.v3.i1.308