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Journal : Pharmacy Reports

Concentration-dependent antibacterial activity of Ruellia tuberosa L. leaf extract against Propionibacterium acnes Yani, Indri; Hamidu, La; Meiliana, Made Laksmi
Pharmacy Reports Vol. 5 No. 3 (2025): Pharmacy Reports
Publisher : Indonesian Young Scientist Group and UPN Veteran Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51511/pr.112

Abstract

Acne vulgaris, primarily caused by Propionibacterium acnes, affects millions globally, yet current antibiotic treatments face increasing resistance. This study evaluated the antibacterial activity of Ruellia tuberosa L. leaf ethanol extract against P. acnes ATCC 6919 using the disc diffusion method. Phytochemical screening confirmed the presence of alkaloids, flavonoids, tannins, saponins, and terpenoids. Five extract concentrations (15%, 20%, 25%, 30%, and 35% w/v) were tested alongside negative control (distilled water) and positive control (0.1% clindamycin) in quadruplicate. Results demonstrated concentration-dependent antibacterial activity, with inhibition zones increasing from 5.00 ± 1.30 mm (15%, weak) to 11.81 ± 0.84 mm (35%, strong), compared to 22.05 ± 0.27 mm for clindamycin. One-way ANOVA revealed significant differences among groups (p < 0.001), with Tukey post-hoc analysis confirming progressive activity increases from 15% to 30%, but no significant difference between 30% and 35% (p > 0.05). These findings provide preliminary evidence that Ruellia tuberosa leaf extract possesses antibacterial potential against P. acnes, warranting further investigation for botanical anti-acne formulation development.
Co-Authors Abdul Rosyid Adela, Agnes Agus Irawan Ahmad Fatoni Ahmad Hidayat Ainun Ni'mah, Miftah Akhmad Rusydi, Akhmad Anggreini, Heny Anisa Kusumawardani April Laksana Apriyanti, Hilma Siti Nur Ardiyansah, Ardiyansah Arfiani, Nanda Tiara Armanda, Rendi Armianti Armianti, Armianti Arum Dian Pratiwi, Arum Dian Aswadi, Dana Atma Murni Awaludin, Muhammad Taufik Aziza, Pretty Failasufa Azkiah, Firza Belani5, Sriwanti Budiana, Sandi Caroline, Emya Gita Catarina Cori Pradnya Paramita, Catarina Cori Pradnya Choerunnisa, Nur Asri Cynit Rahila Retyana, Cyntya Daviq Chairilsyah Deddy Sofyan, Deddy Denardo, Denardo Dendy K. Pramudito Desti Herawati, Desti Didit Ardianto Eddy Silamat, Eddy Elly Sukmanasa Eri Sarimanah Failasufa Aziza, Pretty Fernando, Iqbal Fitri Anjaswuri Flora Grace Putrianti Frans Sudirjo Giry Marhento Hadawiyah, Andina Hamidu, La Hanifi, Rizal Hapni Laila Siregar Harsiti Harsiti, Harsiti Hendra Hendra Hidayatunnisa, Meizura Ansi Hilman, Mohamad Iklimah, Siti Ema Ilmi Zajuli Ichsan Indarini Dwi Pursitasari IYAM MARYATI Josef Hernawan Nudu Juliani, Ai Kairunnisa, Nia Kartika Widuri, Kartika Kenedi, Kenedi Khairun Nisa Khapuck, Karenina Krahara, Yuwan Ditra Kurniasih, Surti Kushariyadi Kushariyadi Kushariyadi M. Andriansyah Mahmuddin Mahmuddin Marjuki Marjuki Meiliana, Made Laksmi Monalisa Sitompul Muhammad Reza Aulia Mulawarman Mulawarman Munawaroh Munawaroh mungin eddy wibowo, mungin eddy Nabila Fuadina Nanda Utaridah, Nanda Nefosano, Hedi Nefoseno, Hedi Nila Nurlimah Nistia Sari, Titis novandra sagita, novandra Nur Januarti, Aulia Nurhasanah, Nenah Nurlita, Nurlita Nursalassaty, Nursalassaty Nurul Fadhilah Panjaitan, Roy Pandapotan Petukhova, Petukhova Pramitasari, Anisa Pramono, Abdul Chatim Pranahadi, Tatag Yudha Prilosadoso, Basnendar Herry Putri, Kamelia Rahmah, Mursidah Ramadhan, Faisal Reza Hariyadi, Ade Riesna Apramilda Rima Rikmasari, Rima Rini Nuraini, Rini Risma Munandar, Rifki Rita Istiana, Rita Rostikawati, R. Teti Rozikin, Imam Rudianto Rudianto Safitri, Nurlinda Salsabila, Aqilla Santosa, Aa Sari Ningsih Setyawati, Kiki Setyawati, Kiky Sihombing, M Sholeh Sinulingga, Gisella Dameri Sitompul, Monalisa Senada Sri Sulasih, Endang Starkova, Daria Subekti, Arif Sukmarani Sulistiawati Sulistiawati Sunawan Sunawan Sundari, Fitri Siti Susanto, Lufty Hari Susanto, Puji Susanto, Salwa Putri Susilawati, Susilawati Syafrida, Rizka Syarifah Nur Siregar Thrisia Febrianti Tina Sri Sumartini, Tina Sri Triana, Siti Rifdah Tyahya Whisnu Hendratni Ulfa, Syafrina Umam, M. Afifuddin Khotibul Utami, Eva Yuniarti Violin, Vivid Vonti, Lungguh Halira Wiratama, Erlangga Aldhi Wulandari, Ismi Yolanita, Clarissa Yuliana, Ana Yulianingsih, Ika Yunawati, Irma Zuhri, Saefudin