In Vitro Antioxidant Properties of Lactobacillus gasseri Isolated from Fermented Milk: Isolation and Preparation of Strains and Intracellular Cell-Free Extracts, Chemical Testing (Hydrogen Peroxide, Superoxide, Hydroxyl Radical, DPPH, Ferrous Ion Chelati. Indonesian J. Sci. Technol [Internet]. 2025 Jul. 8 [cited 2025 Jul. 15];9(3):611-22. Available from: https://ejournal.kjpupi.id/index.php/ijost/article/view/391