Test to Determine The Quercetin Content of Tenggiang (Polystichum Setiferum) Using the High Performance Liquid Chromatography (HPLC) Method and Its Antifungal Activity Against Pityrosporum Ovale . JFM 2025, 7 (2), 135-142. https://doi.org/10.35451/jfm.v7i2.2361.