IDENTIFIKASI BAKTERI Salmonella Sp. PADA MAKANAN FROZEN FOOD YANG DIPERJUALBELIKAN DI SUPERMARKET

Objective : This study aims to identify the presence or absence of Salmonella sp. in frozen food products sold in several supermarkets in the Lubuk Pakam area. Methods : This study employed a descriptive-analytic method. Four frozen food samples were tested through bacterial culture on Mac Conkey Agar (MCA), microscopic observation using gram staining, and biochemical testing using Triple Sugar Iron Agar (TSIA). The characteristics of bacterial growth were observed both macroscopically and microscopically to identify the presence of Salmonella sp. Results: Two samples showed the characteristic colony growth of Salmonella sp. on MCA media Gram staining revealed Gram-negative bacilli, and TSIA testing showed K/A results with positive gas and H2S production, confirming the presence of Salmonella sp.