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Journal : Public Health of Indonesia

Formulation and Activity Test of Grapefruit Peel Extract Anti-Acne Gel Preparation (Citrus maxima Merr.) Against Staphylococcus aureus and Propionibacterium acne Bacteries Latu, Saparuddin; Jangga; Suleman, Abdul Wahid; Putri, Hardyanti Eka; Herman, Sriyana; Mahmudah, Rifa’atul; Rusli; Nurhikmah
Public Health of Indonesia Vol. 11 No. 3 (2025): July - September
Publisher : YCAB Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36685/phi.v11i3.1005

Abstract

Background: Grapefruit (Citrus maxima Merr.) peel is known to contain bioactive compounds such as alkaloids, tannins, and flavonoids, which exhibit potential antibacterial properties, particularly against acne-causing bacteria.Objective: This study aimed to formulate an anti-acne gel incorporating grapefruit peel extract, evaluate its antibacterial activity against Staphylococcus aureus (SA) and Propionibacterium acnes (PA), and determine the optimal extract concentration for inhibiting bacterial growth.Methods: A laboratory-based experimental study was conducted using the well diffusion (pitting) method to assess antibacterial activity. Gel formulations containing grapefruit peel extract at concentrations of 5%, 10%, and 15% were tested against SA and PA.Results: The formulated gels demonstrated acceptable physical stability. The inhibition zones against SA were as follows: 5% (F1) = 10.2 mm, 10% (F2) = 11.2 mm, and 15% (F3) = 11.1 mm. Against PA, the inhibition zones were: F1 = 11.7 mm, F2 = 13.3 mm, and F3 = 11.7 mm. The 10% formulation (F2) exhibited the highest antibacterial activity against both bacterial strains, falling within the "strong" inhibition category.Conclusion: Grapefruit peel extract can be successfully formulated into an anti-acne gel and demonstrates effective antibacterial activity against Staphylococcus aureus and Propionibacterium acnes. Among the tested concentrations, 10% was identified as the most effective for bacterial inhibition. Keywords: grapefruit peel; citrus maxima; extract; antibacterial activity; anti-acne gel
Co-Authors Abdul Wahid Suleman Agus Susanto Aisyah Nur Sapriati Aisyah Nur Saptriati Amir, Arfenti Andi Irdawati Andi Muh Yagkin P Andi Muh Yagkin Padjalangi A Andi Muh. Yaqkin P Andi Muhammad Yaqkin Andi Muhammad Yaqkin Padjalangi Asjur, Asti Vebriyanti Asnah Marzuki Aziz, Yuliana Bahar, Muhammad Yusuf Bambang, Ayu Wulansari Baso, Bachtiar Dewi Marhaeni Diah Herawati Firdaus Firdaus Firman, Imran Fitrianingsih, Julia Gaffar, Herry Darsim Gajali, Nurdila Haerawati Idris Haerawati Idris, Haerawati Hasmar, Wahyu Nuraini Hasnany, Hasnany Herman, Sriyana Hilmiati Wahid Ikhsan, Mifta Khaerti Jalal, Jalal Jangga Jangga Jangga, Jangga Junita, Nurfitria K, Aswanto M Fais Satrianegara Mahmudah, Rifa’atul Mamat Pratama, Mamat Mansur Mansur Mansur - Mansur Mansur Mansur Marthen Arie Marwan, Ummi Kalsum Muammar Fawwaz Muhammad Basir Muhammad Basir Muhammad Idris Patarai Muhammad Rifai Musdar, Tamzil Azizi Musliani, Musliani Musnur, Aldha Irjayanti Mustamin Nia Putri Citra Ningsih, Nining Ade Nur Afni Ponseng Nurhikmah Nurkamilah, Andi Nurul Inayah Obed Rame Padjalangi, Andi Muh Yagkin Padjalangi, Andi Muhammad Yaqkin Pakinde, Ayisti Pasinggi, Adinda Sari Patarai, Muhammad Idris Pradila Putri, Hardyanti Eka R. Rusli Rahayu, Rita Rahmaniah, Rahmaniah Rifa’atul Mahmudah Rika Handayani Risnah Rosdiana Rosdiana Rosdiana Rosdiana Rusli Safaruddin Santi, Elvira Saputro, Syaifullah Satrianegara, Faiz Siti Helmyati Sri Wulan Rini Sriyanty Sadsyam Supardi, Nurjannah Surya Syarifuddin Syahruddin, Akmal Novrian Syamsidar Syamsuriyati, Syamsuriyati Tamira Tansy Timbuleng Wattimena, Jans Goldman Yagkin Padjalangi, Andi Muh Yaqkin-P, Andi Muh. Yulianti Yulis, Dian Meiliani Yunaldi Yunaldi Zainuddin