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All Journal JOURNAL OF COASTAL DEVELOPMENT ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Perikanan dan Kelautan Berkala Perikanan Terubuk Jurnal Ilmu Lingkungan Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Jurnal Perikanan dan Kelautan Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Asian Journal of Aquatic Sciences Unri Conference Series: Community Engagement Journal of Coastal and Ocean Sciences Journal of Rural and Urban Community Empowerment Abdimas Indonesian Journal Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan South East Asian Marine Sciences Journal Jurnal Perikanan dan Kelautan Jurnal Natur Indonesia
Nursyirwani, Nursyirwani
Universitas Riau
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Social Sciences Veterinary Other

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Phytochemical Analysis of Mangrove Leaf Extract Lumnitzera racemosa as a Potential Source of Bioactive Compounds Fakhrurozi, Fakhrurozi; Effendi, Irwan; Nursyirwani, Nursyirwani; Kurniawan, Ronal
South East Asian Marine Sciences Journal Vol. 3 No. 2 (2026): March
Publisher : Science, Technology, and Education Care

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61761/seamas.3.2.52-55

Abstract

This study was conducted to identify the secondary metabolite prile in the leaf extract of Lumnitzera racemosa, which has potential as a natural antibacterial agent. Leaf samples were collected from the mangrove area of Pecinta Alam Bahari (PAB), Dumai City, and extracted with 96% ethanol using a maceration method. Phytochemical tests were conducted qualitatively on seven groups of compounds, namely alkaloids, flavonoids, phenolics, saponins, tannins, triterpenoids, and steroids. Analysis revealed the presence of flavonoids, phenolics, and triterpenoids, while alkaloids, saponins, tannins, and steroids were not detected. The identified compounds have different antibacterial mechanisms but are effective in disrupting the structure and function of bacterial cells. These findings suggest the potential of L. racemosa leaf extract as a source of bioactive compounds for health and aquaculture applications.
Isolation of Antibiotic-Producing Microorganisms from Camponotus melanus in the Mangrove Ecosystem against Pathogenic Bacteria Yulinda, Three; Effendi, Irwan; Zulkifli, Zulkifli; Nursyirwani, Nursyirwani; Batubara, Ummi Mardhiah
South East Asian Marine Sciences Journal Vol. 3 No. 2 (2026): March
Publisher : Science, Technology, and Education Care

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61761/seamas.3.2.56-61

Abstract

Microorganisms that live in extreme conditions in mangrove ecosystems have unique defence mechanisms that enable them to produce secondary metabolites that function as antibiotics. One of them is the wood ant (Camponotus melanus), which is commonly found in mangrove ecosystems and plays a significant role in these ecosystems. This study aims to identify bacteria associated with C. melanus based on morphological characteristics and biochemical tests, and to test their antibacterial activity against pathogenic bacteria (Aeromonas hydrophila, Pseudomonas aeruginosa, and Staphylococcus aureus). This study was conducted from September to November 2025. The method used was a survey method. The research was conducted from September to November 2025. C. melanus samples were taken from the Marine Station mangrove forest, Dumai City, Riau Province, and analyzed at the Marine Microbiology Laboratory, Faculty of Fisheries and Marine, Universitas Riau. The isolation and identification results yielded three bacterial isolates: C1 and C2, suspected to be Bacillus sp., and C3, suspected to be Citrobacter sp. The antibacterial activity test results of the three isolates produced inhibition zones. This indicates that the three isolates have the potential to serve as sources of promising antibiotic compounds for further development
Co-Authors ', Afrimansyah A.E.T.H. Wahyuni A.E.T.H. Wahyuni Afrimansyah ' Agnesia Endamg Tri Hastuti Wahyuni Agnesia Endang Tri Hastuti Wahyuni Alfarisy, M. Phyto Alfiati Silfi Andhini, Nadia Andrei Putra Zirma Anisa Qoriman Apriliani Indrawati Putri Aras Mulyadi Arman Effendi Asri, Zainul B.A. Moestomo Bachar, Sutan Barbara, Shanta Batubara, Ummi Mardhiah Bintal Amin BP, Valentina Dian Christine M Situmeang Claudia, Kristiwany Mayneke Darmawan, Ernanda P. Desi Anggreni Dessy Yoswati Dessy Yoswaty Desy Mutia Sari Devi Puspita Dewita Dewita Efriyeldi, Efriyeldi Elfis Suanto Elizal, Elizal Elkana Gabariel Fachry Abda El Rahman Fakhrurozi, Fakhrurozi Fathoni, Ahmad Yusron Feliatra Feliatra, Feli Feliatra, Pamela Isya Ferdana, Gilang Fiki Harjuni Furqan, M. Alief Gavion Roston Sitepu Gina Ulfa Fitria Gunova, M Taufik Gunova, M. Taufik Gustina, Julia Gustina, Lenny Halima, Asyatul Hanies Ambarsari Hanifa, Zurya Haura, Sari R. Al Ida Rahayu Simanjuntak, Ida Rahayu Iesje Lukistyowati Indri Wahyuni Irvina Nurachmi Irwan Effendi Irwan Irwan Joko Samiaji Julians, Rizky Fajar Kathy Copper Amolle Lazuardi Lazuardi Lazuardi Umar Lestari, Anggi Lola Pitaloka br Barus Mahdiyah, Evfi Mahmudah, Dewi A. Mardalisa, Mardalisa Meiji Nurdiansyah Miptahul Huda Wassyukur Monika, Siska Mubarak Mubarak Mubarak Mubarak Muhammad Hafiz Perdana Muhammad Hafizh Muhammad Razali Mursawal, Asri Musrifin Galib Nainggolan, Robby Netti Aryani Nur Azizah Nursyafni Nanggola Oktavia, Dewi Asmiati Pakpahan, Deni Panjaitan, Grace P Povy Hutabarat Pratama, Bima Purba, Paedo Yayaki Puspita, Devi Putra, Rajiv R. Putri Ayu Putri, Redila Putri, Redila Aprilivia Putri, Resty Fauziah Rahmanda, Melysa Ramadhan, Ragiel Rinno Ferryno Roiman Pakpahan Ronal Kurniawan Saharudin Saharudin Sarbaini ' Sari, Desy Mutia Shaumi, Nurul Silitonga, Lamtiur Rotua Sinuraya, Tri Setia Darma Sophia Rahmah Saleha Sri Melinda Citra Sri Wahyuni Sufaidah, Siti Nur Suparmi Suparmi Syafri Syafri Syafruddin Nasution Syahada, Melania Syahril Nedi Syahrul Syahrul Thamrin Thamrin Thamrin Thamrin Tjipto Leksono Triyanto . Triyanto Triyanto Triyanto Triyanto Ummi Mardiah Batubara Usman Muhammad Tang Utami, Rahma I. Valentina Dian W. Asmara W. Asmara Widantari, Meilya Widya Asmara Windarti Windarti Wiya, Siti Ada WULANDARI, APRILIA Yahya Benardus Sihombing Yanti, Della Hijri Yoswati, Dessy Yulhadis Yulhadis Yulinda, Three Yuni Fitria Yurestira, Ilham Yusni Ikhwan Siregar Zebua, Abdi Hikmat Petra Zevira, Bella Permata Zhilalul Huda Zulkifli Zulkifli