ISSN: 0973-7510

E-ISSN: 2581-690X

Research Article | Open Access
Maria Christina Z. Manicad1 and Agustina G. Pattung2
1Bachelor of Science in Forestry Department, Apayao State College Luna Campus, San Isidro Sur, Luna 3813, Apayao, Philippines.
2Bachelor of Elementary Education Department, Apayao State College Conner Campus, Malama, Conner 3807, Apayao, Philippines.
Article Number: 9269 | © The Author(s). 2024
J Pure Appl Microbiol. 2024;18(2):1209-1213.
Received: 25 January 2024 | Accepted: 15 April 2024 | Published online: 27 May 2024
Issue online: June 2024

The present study sought to perform antibacterial screening of the Lubeg leaf extracts derived from a 12-year Lubeg Plantation at Apayao State College, Payanan, San Gregorio, Luna, Apayao, against Escherichia coli and Staphylococcus aureus. The antimicrobial activity was evaluated using the disk diffusion method. The 100% Lubeg leaf extracts exhibited the highest mean zone of inhibition against E. coli after 20 hours while after 30 hours of incubation, the 50% Lubeg leaf extracts exhibited the highest mean zone of inhibition and active antibacterial activity against E. coli. Meanwhile, the 25% Lubeg leaf extracts exhibited the highest mean zone of inhibition and active antibacterial activity against S. aureus for both 20 hours and 30 hours of incubation. The Lubeg leaf extract has potential antimicrobial activities against these two bacterial strains, revealing its high potential as an antibacterial agent.


Antibacterial, Syzygium lineatum, E. coli, S. aureus

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© The Author(s) 2024. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License which permits unrestricted use, sharing, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.