The Antibacterial Activities of Piper betle and Allium cepa Extracts Against Staphylococcus aureus

Setiawan, Vendra and Triono, Nathanel and Agustina, Astrid Karindra and Moira, Lovely Anastasia and Biutifasari, Verna and Budipramana, Krisyanti (2025) The Antibacterial Activities of Piper betle and Allium cepa Extracts Against Staphylococcus aureus. Jurnal Penelitian Pendidikan IPA, 11 (9). pp. 97-102. ISSN 2407-795X

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Abstract

Indonesia rich in biodiversity, both animals and plants. This is known as ethnobotany. Local people learn to use natural herbs to meet their daily needs, and some commonly used herbs are Piper betle (betel leaf) and Allium cepa (red onion). They often use P. betle or A. cepa to cure various skin infections, one of which is furuncles. This study aimed to explore ethanol extracts of P. betle, A. cepa, and their combination against Staphylococcus aureus, the main bacterial cause of furuncles, using petri dish. The inhibition zones in petri dishes were measured using a caliper to evaluate the antibacterial efficacy. Each sample was tested with 3 replicates and kanamycin was used as positive control. The P. betle extract exhibited the strongest inhibitory effect with an inhibition zone of 17.70 ± 0.30 mm, followed by P. betle and A. cepa with ratio 1:1 produced an inhibition zone of 15.63 ± 0.58 mm. The ethanol extract of A. cepa showed the lowest inhibition zone only 14.38 ± 0.35 mm and this inhibition zone was similar to that of kanamycin as positive control.

Item Type:	Article
Uncontrolled Keywords:	Allium cepa; Antibacterial; Piper betle; Staphylococcus
Subjects:	R Medicine > RS Pharmacy and materia medica
Divisions:	Faculty of Pharmacy > Department of Pharmacy
Depositing User:	Ester Sri W. 196039
Date Deposited:	02 Oct 2025 03:26
Last Modified:	02 Oct 2025 03:26
URI:	http://repository.ubaya.ac.id/id/eprint/49638

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