Extract with the highest inhibition activity was ethyl acetate extract against B. The highest inhibition activity of each extract was obtained with 10 mg/mL of extract concentration whereas the minimum inhibitory concentration (MIC) of each extract was 2 mg/mL. The test results showed that the n-hexane, ethyl acetate, and ethanol 96% extracts positively inhibited the growth of MRSA, B. Each extract was tested its antibacterial activity towards methicillin-resistant Staphylococcus aureus (MRSA), Bacillus cereus, Shigella sp., and Pseudomonas aeruginosa using disc diffusion method. The Dayak onion was solvent extracted with n-hexane, ethyl acetate, and ethanol 96% consecutively. Antibacterial activity of indigenous Dayak onion ( Eleutherine palmifolia (L.) Merr) was investigated.
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