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All Journal JBIO: jurnal biosains (the journal of biosciences) Journal of Environmental Engineering and Sustainable Technology Edumatsains BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA JURNAL PENDIDIKAN TAMBUSAI Biopendix: Jurnal Biologi, Pendidikan dan Terapan Jurnal Pembelajaran dan Biologi Nukleus Jurnal Biogenerasi Jurnal Agro Indragiri Jurnal Pengabdian kepada Masyarakat Jurnal sains dan teknologi industri peternakan Journal of Natural Sciences Jurnal Abdi Masyarakat Indonesia Mejuajua JURNAL PENGABDIAN PENDIDIKAN MASYARAKAT (JPPM) QISTINA: Jurnal Multidisiplin Indonesia Aurelia: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia Bakti Sekawan : Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal Mahasiswa Kesehatan Jurnal Ekonomi Pertanian dan Agribisnis
Situmorang, Nurbaity
Prodi Ilmu Gizi Universitas Nahdlatul Ulama Sumatera Utara
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Aktivitas Antibakteri Ekstrak Daun Jeruk Purut (Citrus Hystrix DC) Terhadap Bakteri Uji Pada Bakso Bakar: Penelitian Ginting, Silvia Margaretta br; Purba, Melpa Yusmawati; Tamba, Gelora Betania; Pasaribu, Maria Benedikta; Saragih, Elsa Angelina; Gultom, Endang Sulistyarini; Situmorang, Nurbaity
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 4 No. 2 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 4 Nomor 2 (October 202
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v4i2.3526

Abstract

Indonesia, as a tropical country, is rich in essential oil-producing plants, including kaffir lime (Citrus hystrix DC). The leaves of Citrus hystrix are known to contain bioactive compounds such as flavonoids, tannins, and alkaloids, which have potential as natural antibacterial agents. This study aimed to evaluate the antibacterial activity of Citrus hystrix leaf extract against bacteria present in grilled meatballs. An in vitro experimental method using the disc diffusion assay was employed. Fresh Citrus hystrix leaves were obtained through purposive sampling from Medan Krio Village, North Sumatra, extracted using 96% ethanol, and tested against bacteria on Mueller Hinton Agar. Chloramphenicol was used as a positive control, while dimethyl sulfoxide (DMSO) served as a negative control. The results showed inhibition zones of 8.02 mm and 7.09 mm for the leaf extract in two separate trials, whereas the positive control exhibited a 29.91 mm inhibition zone, and no inhibition was observed in the negative control. These findings indicate that Citrus hystrix leaf extract possesses significant antibacterial activity against bacteria in grilled meatballs, although it is less potent than synthetic antibiotics. The extract has potential as a natural antibacterial agent for food preservation.
Antibacterial Activity Test of Karamunting Leaf Extract (Melastoma malabathricum L.) Against Eggshell Bacteria Manda, Yutha Nadiroh; Pakpahan, Amkani Angelita; Bazura, Hughes; Sihotang, Joseph Raja Oloan; Susanto, Rafli; Situmorang, Nurbaity; Gultom, Endang Sulistyarini
BIOPENDIX: Jurnal Biologi, Pendidikan dan Terapan Vol 13 No 1 (2026): Biopendix: Jurnal Biologi, Pendidikan & Terapan
Publisher : Program Studi Pendidikan Biologi FKIP Unpatti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/biopendixvol13issue1page33-40

Abstract

This study aimed to evaluate the antibacterial activity of karamunting leaf extract (Melastoma malabathricum L.) against bacteria isolated from eggshells. Eggshells are known as one of the primary contamination sources for foodborne bacteria, which can pose potential health risks to consumers. The ethanolic extract of karamunting leaves was tested using the disk diffusion method with amoxicillin as the positive control and 96% ethanol as the negative control. The inhibition zones were measured after 24 hours of incubation at 37°C. The results showed that karamunting leaf extract produced an inhibition zone of 3.35 mm, categorized as weak antibacterial activity. In contrast, the positive control, amoxicillin, generated a much larger inhibition zone of 22.89 mm, while the negative control showed no inhibition. The antibacterial effect of the extract is believed to result from the presence of bioactive secondary metabolites, including flavonoids, tannins, saponins, steroids, and phenolic compounds, which function by disrupting bacterial cell walls, altering membrane permeability, denaturing proteins, and inhibiting enzyme activity. Although the antibacterial potential of karamunting leaf extract is lower than that of synthetic antibiotics, it still demonstrates promising potential as a natural antibacterial agent that is safer and more environmentally friendly. Further studies are recommended to assess the activity at different extract concentrations and solvent fractions to achieve more optimal antibacterial effects.
Ekstraksi Andaliman (Zanthoxylum acanthopodium DC,) Sebagai Obat Kumur Herbal (Herbal Mouthwash) Mustasfa, Sinta Wulida; Dalimunthe, Aina Mardiah; Mutia, Diska Qolbu; Elisabet, Melfa Romanna; Saragih, Putri Fransiska; Gultom, Endang Sulistyarini; Situmorang, Nurbaity
QISTINA: Jurnal Multidisiplin Indonesia Vol 4, No 2 (2025): December 2025
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/qistina.v4i2.7325

Abstract

Tanaman andaliman (Zanthoxylum acanthopodium DC.) merupakan rempah asli Sumatera Utara yang kaya akan senyawa aktif seperti flavonoid, alkaloid, tanin, dan saponin, yang berfungsi sebagai antibakteri alami. Studi ini dilakukan untuk mengevaluasi potensi ekstrak andaliman dalam pembuatan obat kumur berbasis herbal. Ekstraksi bahan dilakukan menggunakan metode maserasi dengan pelarut etanol 70%, kemudian diuji aktivitas antibakterinya terhadap mikroorganisme penyebab bau mulut seperti Streptococcus mutans dan Staphylococcus aureus. Hasil menunjukkan bahwa ekstrak andaliman mampu menghambat pertumbuhan bakteri secara efektif dengan terbentuknya zona hambat yang jelas. Formulasi obat kumur dari ekstrak andaliman juga menunjukkan keamanan penggunaan serta memberikan efek penyegaran alami di rongga mulut. Oleh karena itu, andaliman dapat dijadikan sebagai alternatif bahan alami yang potensial untuk dikembangkan menjadi obat kumur herbal yang efektif dan ramah lingkungan.
Aktivitas Antimikroba Ekstrak Etanol Daun Kenanga (Cananga Odorata) Terhadap Mikroorganisme Terhadap Isolat Bakteri Tanah Damaiyani, Damaiyani; Salsabilah, Talita; Nura S, Alfi; Denisa, Rifka; Fauziah, Ennita; Gultom, Endang Sulistyarini; Situmorang, Nurbaity
QISTINA: Jurnal Multidisiplin Indonesia Vol 4, No 2 (2025): December 2025
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/qistina.v4i2.7324

Abstract

Penelitian ini bertujuan untuk mengevaluasi aktivitas antibakteri ekstrak etanol daun kenanga (Cananga odorata) terhadap bakteri isolat tanah. Penelitian dilakukan secara eksperimental laboratorium (in vitro) dengan menggunakan metode difusi cakram pada media Mueller-Hinton Agar (MHA). Daun kenanga diekstraksi menggunakan etanol 96% melalui metode maserasi dan remaserasi hingga diperoleh ekstrak kental, kemudian diuji pada konsentrasi 100% dan diamati secara kualitatif berdasarkan terbentuknya zona hambat setelah inkubasi selama 24 jam pada suhu 37°C. Hasil penelitian menunjukkan bahwa ekstrak etanol daun kenanga memiliki aktivitas antibakteri dengan zona hambat sebesar 8,5 mm dan 8,16 mm yang tergolong kategori sedang. Aktivitas antibakteri ini disebabkan oleh kandungan metabolit sekunder seperti flavonoid, tanin, saponin, alkaloid, dan minyak atsiri. Meskipun daya hambatnya lebih rendah dibandingkan antibiotik kloramfenikol (22–24 mm), hasil ini menunjukkan bahwa daun kenanga berpotensi sebagai sumber antibakteri alami yang efektif dan ramah lingkungan.
Aktivitas Antibakteri Ekstrak Bunga Kecombrang (Etlingera elatior) Terhadap Bakteri Uji pada Cangkang Telur Pandiangan, Putri Patricia; Lumbantoruan, Lamtiurma; Ndaha, Gebyta Yani; Ester, Ester; Kaban, Hairen Br; Gultom, Endang Sulistyarini; Situmorang, Nurbaity
AURELIA: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia Vol 5, No 1 (2026): January 2026
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/aurelia.v5i1.7330

Abstract

Penelitian ini bertujuan untuk mengetahui aktivitas antibakteri ekstrak etanol bunga kecombrang (Etlingera elatior) terhadap bakteri yang diisolasi dari permukaan cangkang telur. Kontaminasi bakteri, khususnya Salmonella sp., sering ditemukan pada cangkang telur dan berpotensi menyebabkan penyakit bawaan pangan (foodborne disease). Bunga kecombrang diketahui mengandung senyawa bioaktif seperti flavonoid, alkaloid, tanin, saponin, dan minyak atsiri yang berpotensi sebagai antibakteri alami. Penelitian ini menggunakan metode eksperimental laboratorik in vitro dengan rancangan post-test only control group design. Uji aktivitas antibakteri dilakukan menggunakan metode difusi cakram dengan tiga perlakuan: ekstrak etanol bunga kecombrang (hasil evaporasi), kontrol positif (kloramfenikol), dan kontrol negatif (DMSO). Hasil pengamatan menunjukkan bahwa ekstrak etanol bunga kecombrang menghasilkan zona hambat 4,18 mm (vertikal) dan 4,49 mm (horizontal) yang tergolong lemah, sedangkan kontrol positif menghasilkan zona hambat 27,44 mm (sangat kuat) dan kontrol negatif tidak menunjukkan hambatan. Hasil ini membuktikan bahwa ekstrak bunga kecombrang memiliki aktivitas antibakteri terhadap bakteri cangkang telur, meskipun efektivitasnya masih lebih rendah dibandingkan antibiotik standar. Senyawa flavonoid, tanin, dan minyak atsiri diduga berperan dalam aktivitas antibakteri melalui mekanisme perusakan membran sel dan penghambatan sintesis protein. Dengan demikian, bunga kecombrang berpotensi dikembangkan sebagai antibakteri alami pengganti antibiotik sintetis.
PENANAMAN POHON MATOA DAN SEMPUR DI BANTARAN PINGGIRAN SUNGAI DESA SUKA MAKMUR KECAMATAN SIBOLANGIT Ramadhan, Nuri; Hendra, Hendra; Hariati, Emy; Malinda, Leni; Situmorang, Nurbaity; Hidayat, Wahyu; Novina Sukapiring, Dewi; Putri, Nizmi; Febriantika, Febriantika; Virginia Tamara , Chatrine
Jurnal Pengabdian Pendidikan Masyarakat (JPPM) Vol 4 No 2 (2023): Jurnal Pengabdian Pendidikan Masyarakat Vol 4 No 2 (2023)
Publisher : LPPM UNIVERSITAS MUHAMMADIYAH MUARA BUNGO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/jppm.v4i2.1264

Abstract

Community service activities for lecturers are an effort to carry out one of the tri dharma tasks of higher education. This service activity aims to educate the public about the importance of protecting the environment around river basins by planting productive trees. In addition, the community can also understand the importance of reforestation to restore natural conditions, especially river banks which will be damaged due to natural and human factors. The implementation of this community service activity was carried out by providing an open green space for the elderly and the local community on May 28 2022 in the riverbank area of ​​Jl. Letjen Jamin Ginting Km 45 Gelora Kasih GBKP 100 Year Jubilee Park Complex, Suka Makmur Village, Sibolangit District, Deli Serdang Regency, North Sumatra Province. This Community Service is very beneficial for the elderly who are in the area where the tree is planted. This greening culture must be familiarized from an early age through the practice of planting trees. By frequently planting trees, it is hoped that it can increase people's awareness and love for preserving and protecting the environment, especially watersheds. With this Community Service activity, it is hoped that it will help the community to realize the importance of protecting the environment. The expected output targets from this activity are, First, provide an open green space for the elderly and the local community. Second, growing the local community's economy from the production of matoa and simpur tree seeds. Third, Improving the welfare of the surrounding community and the elderly.
Co-Authors Alfina Siska Dewi Baringbing, Siska Juliana Bazura, Hughes ButarButar, Yutrina Dalimunthe, Aina Mardiah Damaiyani, Damaiyani Denisa, Rifka Depari, Nelfita Rizka S. Dewi Novina Sukapiring, Dewi Novina Dini Novita Sari E. P, Chatryn Joice Elisabet, Melfa Romanna Endang Sulistyarini Gultom Ester Ester Fadhilah, Zahra Fauzi, Muhammad Dahlan Fauziah, Ennita Febriantika, Febriantika Ginting, Silvia Margaretta br Gultom, Wirda Resinta Hariati, Emy Hendra Hendra Huda Panggabean, Nurul Husniatunnisa, Husniatunnisa Indah Anggraini, Jihan Jefri Anjaini Kaban, Hairen Br Kairani, Anita Kusumawati, R Lia Lestari, Dian Putri Lily Novianty Liu, Chun-Hung Loise Tarigan, Beatrice Lubis, Khairiza Lumbantoruan, Lamtiurma Malinda, Leni Manda, Yutha Nadiroh Manurung, Dhea Amelia Mega Utami Mirza, Mirzan Hasibuan Mustasfa, Sinta Wulida Mutia, Diska Qolbu Nasution, Ahmad Faisal Nasution, Muhammad Yusuf Nasution, Putri Nurlela Ndaha, Gebyta Yani NIZMI PUTRI Nura S, Alfi Nurkhofifah, Indah Pakpahan, Amkani Angelita Pandiangan, Putri Patricia Panggabean, Nurul Huda Pasaribu, Maria Benedikta Portuna, Dewi Pulungan, Ahmad Shafwan Purba, Melpa Yusmawati Rahmat Suryanto Pirngadi Ramadhan, Nuri Rangkuti, Marlinda Nilan Sari Rindiani, Artika Rini Hafzari Saiful Amir Salsabilah, Talita Saragih, Elsa Angelina Saragih, Putri Fransiska Saragih, Yuni Darmawati Sarah, Oenih May Sari, Yusdiah Sastra, Siti Fathiya Dwinda Selvia Dewi Pohan Sembiring, Juhardi Shafwan Pulungan, Ahmad Siahaan, Eliza Sriyuliani Sihotang, Joseph Raja Oloan Simanjuntak, Risda Sinaga, Fahri Siti Khairani Siti Khairani SITI NURLANI harahap Situmorang, Elisa Rauli Afrilia Sriyuliani Siahaan, Eliza Suharsih Sukma, Nurhaliza Susanto, Rafli Syafwan Pulungan, Ahmad Tamba, Gelora Betania Tohap Simangunsong Triana, Rennyta Utami, Khairuna Virginia Tamara , Chatrine Wahyu Hidayat Waliid Naufal wulandari, atika Yulina, Nia Yusdiah Sari Zain, Ulfi Khairani