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Salmonella tyhpi is a typhoid fever causing bacteria. Infectious diseases can be treated by using the right antibiotics. The use of antibiotics is known to cause problems in the emergence of resistance, especially in the use of antibiotics that are not procedural and uncontrolled. This encourages the importance of finding sources of antibiotic drugs derived from plants. One of the fruit plants that can maintain health is pineapple. Pineapple fruit contains the enzyme bromealin which can inhibit antibacterial growth. The purpose of this study was to determine the antibacterial inhibitory power of pineapple juice (Ananas comosus (L) Merr Var. Queen) against Salmonella typhi bacteria. This study used a disc diffusion method with positive control using a 5 μg ciprofloxacin disc and negative controls using distilled water. The results of the average diameter of the inhibition zone were 8.31 mm, 9.45 mm, 9.86 mm having moderate antibacterial power and 10.56 mm having strong antibacterial power in inhibiting the growth of Salmonella typhi bacteria. This is because pineapple juice contains alkaloid compounds, flavonoids, steroids / terpenoids and tannins.

UJI DAYA HAMBAT ANTIBAKTERI AIR PERASAN DAGING BUAH NANAS (Ananas comosus (L) Merr Var. Queen) TERHADAP BAKTERI Salmonella typhi