Differences in Sugar Concentration on Flavonoid Levels in Roselle Kombucha (Hibiscus sabdariffa L.) As An Antioxidant Beverage. Journal of Biomedical Sciences and Health , [S. l.], v. 3, n. 1, p. 70–76, 2026. DOI: 10.34310/jbsh.v3.i1.308. Disponível em: https://ejournal.unkaha.ac.id/index.php/jbsh/article/view/308.. Acesso em: 28 feb. 2026.