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 Chelatin. Indones. j. sci. technol. [Internet]. 2024 Dec. 1 [cited 2026 Jun. 7];9(3):611-22. Available from: https://ijost.upi.edu/index.php/ijost/article/view/421