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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Biologi Tropis Journal of Microbiology, Biotechnology and Conservation
Tri Wahyu Setyaningrum
Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Physics

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Potensi Anti Xanthomonas dari Bakteri Rizosfer Tanaman Kankung Pagar (Ipomoea carnea) Nurmaliana Asmayani; Tri Wahyu Setyaningrum; A.A. Ngurah Nara Kusuma; Nur Indah Julisaniah; Muhammad Hari Aditia Pratama; Wanda Qoriasmadillah; Faturrahman
Journal of Microbiology, Biotechnology and Conservation Vol. 1 No. 1 (2025): Journal of Microbiology, Biotechnology and Conservation (jMBC)
Publisher : Master’s Program in Biology, Faculty of Mathematics and Natural Sciences, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jmbc.v1i1.6159

Abstract

The plant pathogenic bacterium Xanthomonas campestris is a Gram-negative, rod-shaped bacterium that causes damage to plant leaves. This particular disease can result in significant economic losses and a reduction in the quality of agricultural products. An alternative method of dealing with this bacteria is to utilise the rhizosphere of kale (Ipomoea carnea) as a biological control. The objective of this study was to ascertain the antibacterial potential of the rhizosphere bacteria of kale (Ipomoea carnea) against the Xanthomonas campestris bacteria and to identify isolates with enhanced antibacterial efficacy against Xanthomonas campestris using the well diffusion method. A total of 13 bacterial isolates were obtained from the rhizosphere of kale, exhibiting distinctive round colonies, flat edges, and a white or cream colouration. A total of 12 gram-negative isolates and one gram-positive isolate were identified. The highest inhibitory activity against X. campestris was demonstrated by isolates R1, R3, and R11, with an average inhibitory zone diameter of 20.01 mm, 20.79 mm, and 20.57 mm, respectively. These values fell into the very strong inhibition category.
Distribution of Phytoplankton Types in Batujai Dam, Central Lombok Regency Ayu Bintan Pratiwi; Dining Aidil Candri; Hilman Ahyadi; Mursal Ghazali; Tri Wahyu Setyaningrum
Jurnal Biologi Tropis Vol. 26 No. 2 (2026): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i2.6895

Abstract

Batujai Dam is the main dam in Central Lombok Regency which is used as a water source, irrigation area, flood control, freshwater fish farming, and the development of micro-hydro power plants. Batujai Dam is also a place of accumulation of polluted materials, domestic waste, agriculture and livestock. The purpose of this research was to determine the distribution of species, ecological indices, and environmental parameters in Batujai Dam. Determination of sample points using purposive sampling method in the fish cage area, water hyacinth, and open area. The phytoplankton community found was 48 species, 9 classes, and 22 families. The average species abundance was 38,575.18 ind/liter, the diversity index was 2.41, and the dominance index was 0.14. The waters of Batujai Dam are still relatively optimal for phytoplankton life.
KANDUNGAN EKSTRAK DAUN BANTEN (Lannea coromandelica (Houtt.) Merr.) OBAT TRADISIONAL LOMBOK SEBAGAI ANTIPIRETIK PADA MENCIT (Mus musculus) Wanda Qoriasmadillah; Nirwana Haqiqi; Zuhratul Iman; Tri Wahyu Setyaningrum; Dining Aidil Candri; Andri Frediansyah; Eka Sunarwidhi Prasedya
Jurnal Penelitian Pendidikan IPA Vol 10 No 4 (2024): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i4.6756

Abstract

The Sasak tribe, who are the indigenous inhabitants of Lombok Island, use banten (Lannea coromandelica (Houtt.) Merr.) leaves as a medicinal plant to reduce fever. Fever is a physiological response to infection, characterized by a body temperature above the normal range of approximately ± 37 ℃. If left untreated, fever can cause dehydration, lack of oxygen, nerve damage, dizziness, decreased appetite, weakness, and muscle pain. To minimize these effects, antipyretics such as paracetamol can be used. However, prolonged or excessive use of paracetamol can cause hepatotoxicity, hepatic necrosis, renal tubular necrosis, and hypoglycemic coma.  Therefore, it is necessary to develop alternative herbal medicines to treat fever. The aim of this study is to determine the content and antipyretic effect of banten leaf extract, which was obtained through ethanol extraction. The antipyretic ability test utilized five groups: the negative control group, positive control group, and test groups receiving doses of 1 mg/25gBB, 3 mg/25gBB, and 10 mg/25gBB of ethanol extract of banten leaves. Fever induction was induced using the DPT-HB vaccine. The study found that the ethanol extract of banten leaves contained flavonoids (572.38 mg QE/gram extract), phenols (200.82 mg GAE/gram extract), and antioxidants (2.5063 mg GAE/gram extract with DPPH). The percentage of antioxidant inhibition in banten leaves between 9.68-47.16 %. Additionally, all test groups of the ethanol extract of banten leaves exhibited antipyretic activity. The antipyretic effect of the 3 mg/25gBB dose was equivalent to that of paracetamol. Similarly, the antipyretic effect of the 10 mg/25gBB dose was almost identical to that of paracetamol at 5 hours after treatment.
Co-Authors A.A. Ngurah Nara Kusuma Andri Frediansyah Ayu Bintan Pratiwi Dining Aidil Candri Dining Aidil Candri, Dining Aidil Eka Sunarwidhi Prasedya Faturrahman Hilman Ahyadi Muhammad Hari Aditia Pratama Mursal Ghazali Nirwana Haqiqi Nur Indah Julisaniah Nurmaliana Asmayani Wanda Qoriasmadillah Wanda Qoriasmadillah Zuhratul Iman