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Journal : Journal Microbiology Science

Isolation of Endophytic Fungus from Bay Leaves (Syzygium polyanthum Wight.) as Antibacterials Against Bacteria Causing Digestive Tract Infections by Bioautography-TLC Fahirah, Jihan; Herwin, Herwin; Handayani, Selpida
Journal Microbiology Science Vol 5, No 2 (2025): Volume 5(2) 2025
Publisher : Fakultas Farmasi, Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56711/jms.v5i2.1301

Abstract

Salam (Syzygium polyanthum (Wight) Walp), belonging to the Myrtaceae family, are noted for their potential antibacterial properties targeting bacteria linked to gastrointestinal infections. This study aims to identify endophytic fungus isolates from bay leaves that produce antibacterial compounds effective against bacteria responsible for gastrointestinal infections, utilizing TLC-Bioautography as a method of analysis. The endophytic fungus from bay leaves was isolated, yielding 17 pure isolates. The findings from the antagonist test of pure isolates of endophytic fungus revealed two isolates with the most significant inhibitory zone diameters: IFSP-8 and IFSP-15. These isolates demonstrated effectiveness against Escherichia coli, Salmonella typhi, Shigella dysenteriae, and Vibrio cholerae bacteria. The active isolate was then extracted by liquid-liquid extraction to obtain ethyl acetate extract for the IFSP-8 and IFSP-15 isolates. The antibacterial activity results of the ethyl acetate extract, analyzed through TLC-Bioautography with a chloroform: methanol (9:1) eluent, indicated the values of Rf1 0,76; Rf2 0,56; Rf3 0,47 for the IFSP-8 isolate. In contrast, the IFSP-15 isolate exhibited the values of Rf1 0,81; Rf2 0,69; Rf3 0,56, demonstrating inhibition of bacteria responsible for gastrointestinal infections.
Antibacterial Activity of N-Hexane and Ethyl Acetate Fractions Of Pandanus Nut (P. Julianettii) Against Oral Pathogens Nur, Wardah Rafidah; Naid, Tadjuddin; Herwin, Herwin
Journal Microbiology Science Vol 5, No 2 (2025): Volume 5(2) 2025
Publisher : Fakultas Farmasi, Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56711/jms.v5i2.1333

Abstract

Oral infections caused by Streptococcus mutans and Porphyromonas gingivalis are common health problems. This in vitro study aimed to evaluate the antibacterial activity of Pandanus nut (Pandanus julianettii) with n-hexane and ethyl acetate fractions against these pathogens through agar diffusion assays. The n-hexane and ethyl acetate fractions were subjected to agar diffusion testing, with Minimum Inhibitory Concentration (MIC) values determined at 0.8% and 0.2% respectively against both bacterial strains. Subsequent Minimum Bactericidal Concentration (MBC) testing revealed values of 6.4-12.8% for n-hexane fraction and 3.2-6.4% for ethyl acetate fraction. In agar diffusion assays, the n-hexane fraction at 12.8% concentration produced inhibition zones of 15.54±0,20 mm on S. mutans and 15.46±0,35 mm on P. gingivalis. The ethyl acetate fraction showed significantly larger inhibition zones of 18.76±0,79 mm against S. mutans and 15.59±0,42 mm against P. gingivalis at the same concentration. These findings demonstrate that both n-hexane and ethyl acetate fractions of Pandanus nut possess substantial antibacterial activity against oral pathogens.
Antibacterial Activity of Ethanolic Extract of Pandanus Nut (Pandanus julianettii) Gastrointestinal Bacteria Using The Agar Diffusion Method Monika, Arum; Naid, Tadjuddin; Herwin, Herwin
Journal Microbiology Science Vol 5, No 2 (2025): Volume 5(2) 2025
Publisher : Fakultas Farmasi, Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56711/jms.v5i2.1334

Abstract

Gastrointestinal infections are a major global health concern, often caused by pathogenic bacteria. This study aimed to evaluate the antibacterial activity of the ethanolic extract of Pandanus nut (Pandanus julianettii) against gastrointestinal pathogens using the agar diffusion method. The Minimum Inhibitory Concentration (MIC) of the extract was determined to be 6.4% for Shigella dysenteriae, Salmonella typhi, and Escherichia coli, and 3.2% for Vibrio cholerae. The Minimum Bactericidal Concentration (MBC) for all tested bacteria was 12.8%. Antibacterial activity analysis revealed that at the 12.8% concentration, the largest inhibition zones were observed: 22.68 mm for Salmonella typhi, 22.20 mm for Shigella dysenteriae, 21.26 mm for Escherichia coli, and 20.80 mm for Vibrio cholerae. These findings indicate that the ethanolic extract of Pandanus julianettii possesses strong antibacterial properties and holds potential as a natural therapeutic agent for managing gastrointestinal infections.
Co-Authors -, Dwi Haryono Abadi, Ferryal Abdul Alim Achmad Rosyadi Yusuf Hibai, Achmad Rosyadi Yusuf Adrias, Cici Rahmayanti Afdal Afdal, Afdal Agustin Agustin Agustin Ahsan, Miftahul Khair Akhmad Akhmad Alfahral, Reza Alrif, Syaharuddin Amaliah, Ema Ambon, Nur Intan Andesa, Khusaeri Andi Mulyadi Andika, Ilham Angeline angeline Anggraini, Subekti Anggraini, Subekti Wining Anshary, Muhammad Ridha Anwar, Fozi Arifa, Noorul Asan, Adrianus Kia Askara, Ghanisa Anggit Awaluddin, M Awan Hariono Bahtiar Bahtiar Bantulu, Ananta Rahayu Bely, Bely Budi Aryanto Budiharti Budiharti Candra Tri Utami Chandra Kusuma Wibawa Chintya, Ora Christina Fajar Sriwahyuniati Dahalan, Shakila Che Dwi Haryono Edwar Ali Enny Zubaidah Erlin Ernawati Ernawati Eva Johannes Fadli Ihsan Fahirah, Jihan Fahrika, A. Ika Fahzri, Muhamad Faidillah Kurniawan Farida Agus Setiawati Feri Dwi Astuti, Feri Dwi Firna Anggriani Mile, Firna Anggriani Fitriana Fitriana Fransiskus Zoromi Fransiskus Zoromi, Fransiskus Gultom , Polter Gultom, Iwan J.P Gusmanida, Gugun Haidir, Muhammad Hamdani - Handika, Marezi hanudin, sub Haryani Haryani Hasan Hasan Helda Yenni, Helda hikma, Nurhikma Hikmah, Annafi'atul Hikmah, Arina Nur Ilham Wahyudi Indriana Rahmawati Jamaluddin Jamaluddin Jhon, Winarni Julianti, Selly Junadhi Junadhi Junadhi, Junadhi Junaedi, Fhadillah Karhani, Muna Karmini Karmini Karyati Karyati Kasyfillah, Muhammad Haidarsyah Khusaeri Andesa Khusaeri Andesa Koko Harianto Kurniawanto, Eko Kurniawati Kurniawati Kusumawati, Tri Harum Letisia, Maria Lukman, Adli Lydia Surijani Tatura M Destiani, Deassy M. Wino Adi Putra M. Yogi Riyantama Isjoni Mardainis Mardianis , Mardianis Mariah Mariah, Mariah Meilani Meilani, Meilani Mitra, Andi Monika, Arum Muhammad Said Husin Muhammad, Farhan Muldin, Nurul Insani Muzakkir Baits, Muzakkir Nabillah, Rokhmatun Naim, Nurul Khatimah Nawan Primasoni nirwana rasyid, nirwana Noviana Noviana Novitasari, Welly Nugroho, Alnico Imam Nuha, Uli Nur Faizin - Nur, Wardah Rafidah Nurfadila Nurfadila, Nurfadila Nurjayadi Nurjayadi Nurung, Ayyub Harly Nurwirhanuddin, Nurwirhanuddin Pasaribu, Rechman Pramesti , Selviana Dewi Purwaningsih, Arifah Yuli Putra, Jean Riko Kurniawan Putra, Rahman Pranovri PUTRI WULANDARI Qureshi, Muhammad Saifullah R. Rusli Rachmat Kosman, Rachmat Rafael Billy Leksono, Rafael Billy Rahayu Condro Murti Rahmanto, Ihwan Rahmayanti, Hani Rahmayanti Ramadhana, Evi Rahma Rasul, A. Rasul Ratna Budiarti Ratna Purwanti, Indah Razak, Syaparuddin Rendi Rendi, Rendi Renyaan, Anastasya Ricki, Ricki Ririn Ririn Rita Eka Izzaty, Rita Eka Rizki Ramadhani Rizky, Deo Alfa Roehan, Muhammad Sani Rofika, Evi Romaida Efrianti Br Situmorang, Yustina Rometdo Muzawi, Rometdo Rosita Endang Kusmaryani Rudy Tandra Rusman, Haerusman Samudera, Arung Saputra, Richard Sari, Erwika Dwika Sari, Felisa Ananda Selpida Handayani, Selpida Selviati, Ratmi Septianingtias, Arina Siga, Adolfus Siktus Siska Nuryanti, Siska Siti Rohmah Nurhayati Sjafaraenan Sjafaraenan, Sjafaraenan Sompa, Putri Tenri Sri Wahyuni Subagyo Irianto Sugiono Sugiono Suhendar Suhendar, Suhendar Sujati, Hironimus Supartinah Supartinah Susandri, Susandri Susanti, Susanti Syamsiar, Syamsiar Tadjuddin Naid Tandukar, Kritika Torkis Nasution Tri Hadi Karyono Trisakti, Jhon Citro Triyani Arita Fitri Tuwu, Darmin Umafagur, Dea Andela Vina Meliana, Vina Vincent Vincent, Vincent Waruwu, Jefnita Sain Wenehenubu, Fitalis Ekhy Widiyanto Widiyanto Widowati, Fairuz Dyah Widyatmike Gede Mulawarman Wirawan, Alif Yusra Wuri Wuryandani Yahya, Fifi Adelia Yoel Yoel Yoga Yuniadi Yuridu, Fatur Rahmansyah