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All Journal Jurnal Penelitian Saintek Jurnal Mandala Pharmacon Indonesia JOURNAL OF COMMUNITY ENGAGEMENT AND EMPOWERMENT Journal of Innovation in Community Empowerment (JICE) Journal of Pharmaceutical (JOP) Bencoolen Journal of Pharmacy
Pratama, Nofran Putra
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Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Environmental Science Health Professions Immunology & microbiology Library & Information Science Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Journal : Jurnal Penelitian Saintek

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Antibacterial activity testing of rosella leaf (Hibiscus sabdariffa L) ethanol extract against Staphylococcus aureus and Salmonella typhi in vitro with well method Oktapiya, Tira Risa; Pratama, Nofran Putra; Purnamaningsih, Nur'Aini
Jurnal Penelitian Saintek Vol 30, No 2 (2025)
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jps.v30i2.52817

Abstract

The objective of this was to determine the antibacterial activity of the ethanolic extract of rosella leaves and the optimum concentration that can inhibit the growth of Staphylococcus aureus and Salmonella typhi bacteria. The antibacterial activity test was carried out by the well method with the treatment groups of ethanol extract of rosella leaves at concentrations of 20%, 40%, 60%, 80% and 100%. The results of this study showed that the ethanol extract of rosella leaves with concentrations of 20%; 40%; 60%; 80% and 100% had antibacterial activity against S. aureus with the mean diameters respectively 8.23, 10.45, 10.48, 13.20, 15.45 mm and S. The typhi are 9.63, 10.67, 10.77, 12.78, 13.97 mm. The optimum concentration that can inhibit the activity of S. aureus and S. typhi bacteria is at a concentration of 100%.
Co-Authors Ardianto, Lisman Septa Endah Kurniawati Enggrainia, Bella Erma Yunita Ervany, Irrena Fadilah Qonitah Kharismatul Khasanah Leswara, Dianita Febrina Luluk, Luluk nurjanah Lutfi Hidiyaningtyas Mistriyani, Mistriyani Nurjanah, Baiti Nurul Jannah Oktapiya, Tira Risa Purnamaningsih, Nur’Aini Putri Indah Sayakti Rikhaturhohmah, Rikhaturhohmah Rizqa Salsabila Firdausia Sari, Kurnia Rahayu Purnomo SEPTI WULANDARI Syamsu Nur, Syamsu Triana Hertiani Ulvia, Rengganis Wibisono, Dika Irawan Zulbayu, L.M. Andi