Bekasam is spontaneusly fermented fish product that was produced traditionally by the community in Tambang District, Kampar Regency, Riau. The bekasam is commonly processed by adding gandaria citrus (Garcinia xanthochymus) as a natural preservative to support the growth of Lactic Acid Bacteria (LAB). This study was aimed to explore the effect of adding gandaria citrus at different concentration…