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KMID : 1138520220250020101
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Journal of Pharmacopuncture
2022 Volume.25 No. 2 p.101 ~ p.105
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The Highest Dosage Combination Activity Screening from the Leaf Fraction of Melastoma malabathricum with Antibiotic Gentamicin and Ciprofloxacin
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Rafika Sari
Liza Pratiwi
Pratiwi Apridamayanti
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Abstract
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Objectives: This study aims to determine the Fractional Inhibitory Concentration Index (FICI) of combinations of Melastoma malabathricum leaf fraction with ciprofloxacin or gentamicin against pathogenic bacteria, Escherichia coli, Staphylococcus aureus, and Bacillus cereus, isolated from Diabetic Foot Ulcer (DFU) patients.
Methods: We tested concentrations of 45%, 55%, 65%, and 75% of gentamicin and ciprofloxacin using dilution and agar diffusion methods. The combination of M. malabathricum leaf extract with these antibiotics was tested in vitro against all three bacteria.
Results: The combination of M. malabathricum leaf extract and ciprofloxacin gave a FICI value of 0.5, indicating synergistic antibacterial activity against the test bacteria.
Conclusion: The results show that the antibacterial effect of a combination of high doses of the leaf extract with either antibiotic is greater than that of the leaf extract and the antibiotics in single use.
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KEYWORD
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melastoma malabathricum, antibacterial effect, fici, combination, mbc
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