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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 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) 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
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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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.
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.
GROWTH RESPONSE OF GREEN BEANS (Phaseolus radiatus) TO WATERING INTERVALS Panggabean, Nurul Huda; Yudha Pratama, Rizky; Rahmadina, Rahmadina; Faisal Nasution, Ahmad; Situmorang, Nurbaity; Kairani, Anita
JURNAL BIOSAINS Vol. 12 No. 1 (2026): JURNAL BIOSAINS
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/cfzm0080

Abstract

Green beans (Phaseolus radiatus) are one of the commodity of legume plants that are generally grown on dry land, Green beans are included in plants that are tolerant of water shortages, the important thing is that the soil has enough moisture. The problem that is often faced in mung bean cultivation in dry land is the low production achieved by farmers, so it is necessary to conduct research on the resistance of mung beans (Phaseolus radiatus) to drought and the effect of watering frequency on productivity. The purpose was to determine the watering interval to the growth response of mung bean plants (Phaseolus radiatus). This study used an experimental design using a Group Random Design (RAK) consisting of 4 treatments with 3 replicas of each treatment. F0U1, F0U2, F0U3 : Control Treatment (No Watering), F1U1, F1U2, F1U3 : Watering frequency 1 (one) time a day. F2U1,F2U2, F2U3 : Watering frequency 2 (two) times a day. F3U1, F3U2, F3U3 : Watering frequency 3 (three) times a day. The parameters in calculating the growth response are the length of the plant, the number of leaves and the height of the plant. The best watering interval for plant length is watering once every 1 (one) day, where the highest plant length is 56.16 cm in the F1 treatment. The best watering interval for the number of leaves of the plant is watering (once) a day, where the average number of leaves is 13.11 leaves in the F1 treatment. The best watering interval for plant height is watering once every 1 (one) day, where the average height of the highest plant is 51.16 cm in the F1 treatment.
PENANAMAN POHON MATOA DAN SEMPUR DI BANTARAN PINGGIRAN SUNGAI DESA SUKA MAKMUR KECAMATAN SIBOLANGIT Nuri Ramadhan; Hendra Hendra; Emy Hariati; Leni Malinda; Nurbaity Situmorang; Wahyu Hidayat; Dewi Novina Sukapiring; Nizmi Putri; Febriantika Febriantika; Chatrine Virginia Tamara
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 ButarButar, Yutrina Chatrine Virginia Tamara Depari, Nelfita Rizka S. Dewi Novina Sukapiring, Dewi Novina Dini Novita Sari E. P, Chatryn Joice Emy Hariati Endang Sulistyarini Gultom Ester Ester Fadhilah, Zahra Fauzi, Muhammad Dahlan 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 Leni Malinda Lestari, Dian Putri Lily Novianty Liu, Chun-Hung Loise Tarigan, Beatrice Lubis, Khairiza Lumbantoruan, Lamtiurma Malinda, Leni Manurung, Dhea Amelia Mega Utami Mirza, Mirzan Hasibuan Nasution, Ahmad Faisal Nasution, Muhammad Yusuf Nasution, Putri Nurlela Ndaha, Gebyta Yani NIZMI PUTRI Nizmi Putri Nuri Ramadhan Nurkhofifah, Indah Pandiangan, Putri Patricia Panggabean, Nurul Huda Pasaribu, Maria Benedikta Portuna, Dewi Pulungan, Ahmad Shafwan Purba, Melpa Yusmawati Rahmadina, Rahmadina Rahmat Suryanto Pirngadi Ramadhan, Nuri Rangkuti, Marlinda Nilan Sari Rindiani, Artika Rini Hafzari Saiful Amir Saragih, Elsa Angelina Saragih, Yuni Darmawati Sarah, Oenih May Sari, Yusdiah Sastra, Siti Fathiya Dwinda Selvia Dewi Pohan Sembiring, Juhardi Shafwan Pulungan, Ahmad Siahaan, Eliza Sriyuliani Simanjuntak, Risda Sinaga, Fahri Siti Khairani Siti Khairani SITI NURLANI harahap Situmorang, Elisa Rauli Afrilia Sriyuliani Siahaan, Eliza Suharsih Sukma, Nurhaliza Syafwan Pulungan, Ahmad Tamba, Gelora Betania Tohap Simangunsong Triana, Rennyta Utami, Khairuna Virginia Tamara , Chatrine Wahyu Hidayat Wahyu Hidayat Waliid Naufal wulandari, atika Yudha Pratama, Rizky Yulina, Nia Yusdiah Sari Zain, Ulfi Khairani