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et al., K. (2024). Antibacterial Activity of Chlorophyll c from Sargassum polycytum against Methicillin-Resistant Staphylococcus aureus (MRSA) and Multidrug-Resistant Escherichia coli (MDR E.coli). Egyptian Journal of Aquatic Biology and Fisheries, 28(6), 959-970. doi: 10.21608/ejabf.2024.395121
Kusmita et al.. "Antibacterial Activity of Chlorophyll c from Sargassum polycytum against Methicillin-Resistant Staphylococcus aureus (MRSA) and Multidrug-Resistant Escherichia coli (MDR E.coli)". Egyptian Journal of Aquatic Biology and Fisheries, 28, 6, 2024, 959-970. doi: 10.21608/ejabf.2024.395121
et al., K. (2024). 'Antibacterial Activity of Chlorophyll c from Sargassum polycytum against Methicillin-Resistant Staphylococcus aureus (MRSA) and Multidrug-Resistant Escherichia coli (MDR E.coli)', Egyptian Journal of Aquatic Biology and Fisheries, 28(6), pp. 959-970. doi: 10.21608/ejabf.2024.395121
et al., K. Antibacterial Activity of Chlorophyll c from Sargassum polycytum against Methicillin-Resistant Staphylococcus aureus (MRSA) and Multidrug-Resistant Escherichia coli (MDR E.coli). Egyptian Journal of Aquatic Biology and Fisheries, 2024; 28(6): 959-970. doi: 10.21608/ejabf.2024.395121

Antibacterial Activity of Chlorophyll c from Sargassum polycytum against Methicillin-Resistant Staphylococcus aureus (MRSA) and Multidrug-Resistant Escherichia coli (MDR E.coli)

Article 54, Volume 28, Issue 6, November 2024, Page 959-970  XML PDF (298.16 K)
DOI: 10.21608/ejabf.2024.395121
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Author
Kusmita et al.
Abstract
In this study, chlorophyll c, extracted from Sargassum polycystum using a rapid maceration method, was investigated for its antibacterial properties against multi-drug resistant (MDR) E. coli and methicillin-resistant Staphylococcus aureus (MRSA). The extract was fractionated with diethyl ether, and chlorophyll c was isolated using preparative thin-layer chromatography. UV-Vis spectrophotometry and FTIR confirmed the identity of chlorophyll c, revealing functional groups such as aldehyde, ester, C-H, OH, and hydroxyl groups. The antibacterial activity was tested using the agar well diffusion method. Against MRSA, chlorophyll c showed an inhibition zone of 10.13mm at 0.2%, increasing to 11.25 mm at 0.4%, compared to ciprofloxacin's 13.34 mm. For MDR E. coli, the inhibition zones were smaller, with 7.93 mm at 0.2%, 8.99mm at 0.3%, and 9.86mm at 0.4%, compared to 10.21mm for ciprofloxacin. The results suggest chlorophyll c exhibits greater antibacterial activity against MRSA than MDR E. coli, highlighting its potential as a natural antibacterial agent.
Keywords
Antibacterial activity; Chlorophyll c; Isolation; MRSA; MDR E.coli
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