Introduction: Nosocomial infection is one of the infections that occurs in the hospital environment and can cause several diseases, but nosocomial infection can also cause the sufferer to experience sepsis and even die if they do not get treatment. This study aims to determine the active compound of black turmeric extract (Curcuma caesia Roxb) and measure the inhibitory ability of several bacteria that cause nosocomial infections.
Methods: The diameter of the inhibitory zone was evaluated using the Kirby-Bauer disk diffusion method in this investigation
Results: The results showed that black turmeric extract has the potential to act as an antibacterial against both gram-positive and gram-negative bacteria. The highest results were obtained at the highest concentration (80%) against Staphylococcus aureus bacteria with a 15.10 ± 6.95 mm inhibition zone.
Conclusion: Based on the results of this study, it can be stated that black turmeric extract (Curcuma caesia Roxb) has the potential to be an antibacterial control for nosocomial infections.