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INDONESIA
Jurnal Biologi Tropis
Published by Universitas Mataram
ISSN : 14119587     EISSN : 25497863     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Jurnal Biologi Tropis (ISSN Cetak 1411-9587 dan ISSN Online 2549-7863) diterbitkan mulai tahun 2000 dengan frekuensi 2 kali setahun oleh Program Studi Pendidikan Biologi PMIPA FKIP Universitas Mataram, berisi hasil penelitian dan ulasan Ilmiah dalam bidang Biologi Sains.
Arjuna Subject : -
Articles 2,520 Documents
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The Effectiveness of Lavender Aromatherapy on Reducing Pain Intensity in The First Stage of Labor Active Skania, Pratiwi Cahya; Halimatusyadiah, Leni; Jamilah, Jamilah
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7405

Abstract

Pregnant woman looks forward to the moment she gives birth in order to experience the joy she longs for. if the baby, placenta, and amniotic membranes leave the mother's uterus at term (after 37 weeks) without complications, the process is considered normal. At TPMB Siti Hapsah, S.Tr.Keb in 2024, the purpose of this study is to determine whether lavender aromatherapy reduces pain intensity during the active phase of first stage labor. The Quasy Experiment research method is used in this quantitative research design. This study used a one-group pretest-posttest design with 32 respondents. The Wilcoxon test was used to analyze the observation sheet data. Lavender aromatherapy was found to be effective at reducing pain intensity during the active phase of first stage labor at TPMB Siti Hapsah, s.Tr.Keb in 2024 because the obtained result had a significance value of 0.000, which was lower than the significance result of 5% (p-value = 0.000  0.05). During the initial active phase of labor, lavender aromatherapy is recommended for use as a complementary therapy.
Antibacterial Activity Test of Sumbawa White Honey against Escherichia coli ATCC 25922 Hulfifa, Lale Nandita; Rosyunita, Rosyunita; Wardoyo, Eustachius Hagni; Hasbi, Nurmi; Rahim, Adelia Riezka; Arnawati, Ida Ayu; Alamsyah, Abiel Dwi Cahya Firdaus; Vaidika, I Komang Satya; Hazaa, Saskia Safarina
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7407

Abstract

Due to their high mortality and morbidity rates, E. coli infections are a serious issue. Antimicrobial Resistance (AMR) is a result of this indiscriminate antibiotic use. One approach to address this issue is to utilize natural antimicrobials such as Sumbawa white honey. Sumbawa white honey contains antibacterial components like glucose and fructose (80%), water (17%), polyphenols, and hydrogen peroxide. This study aimed to analyze the antibacterial activity of white honey from Sumbawa against E. coli ATCC 25922. The research method employed was a laboratory experiment using a post test only control group design. Antibacterial testing was conducted using disc diffusion at concentrations of 25%, 75%, and 100%, with chloramphenicol as positive control and DMSO as negative control, and honey processing involved dilution. Antibacterial tests were repeated five times  and antibacterial activity was observed based on the diameter of inhibition zones around the disc. The outcomes showed that there was a restraint zone at 100 percent grouping of honey, to be specific 0.90 mm, while at 25% and 75% fixations there were no hindrance zones. According to the findings of this study, white honey from Sumbawa has a low antibacterial activity (0.90 mm), but this activity is ineffective against E. coli ATCC 25922. Further identification of the chemical components in Sumbawa white honey that are primarily responsible its antibacterial effect.
Addition of Papaya Leaf Meal to Commercial Feed on the Performance of Grower Phase Laying Hens Nurdiansyah, Fahrian Eka; Mulyono, Ali Mursyid Wahyu; Sukaryani, Sri
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7408

Abstract

Grower phase layers are chickens aged 5 to 12 weeks. This study aims to determine the effect of papaya leaf meal addition on the performance of laying hens in the grower phase using 72 laying hens aged 7 to 10 weeks. This study is an experimental study using a completely randomized design (CRD) with 4 treatments and 3 replications. Data were analyzed using Anova Analysis of Variance (CRD) one-way pattern with the help of SPSS Version 16. Weight Gain and Feed Conversion were unaffected by the addition of papaya leaf flour to its feed up to a concentration of 3%, according to the findings. The weight gain of laying hens during the enlargement phase was unaffected by the addition of papaya leaf flour up to 3%. The expansion of papaya leaf flour to the feed of laying hens in the producer stage on feed transformation was not altogether unique or the equivalent. The conclusion is that the feed consumption of laying hens in the grower phase can be influenced by the addition of papaya leaf flour in its feed up to a concentration of 3%, but did not affect Weight Gain or Feed Conversion.
A Study on The Capabilities of Cellulolytic Bacteria in Degrading Feed Fiber Utami, Rosdiana; Syamsuhaidi, Syamsuhaidi; Kisworo, Djoko; Depamede, Sulaiman Ngongu; Ketut Gde, Wiryawan; Bulkaini, Bulkaini
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7411

Abstract

The utilization of local feedstuffs is a cost-effective strategy to reduce production expenses in animal husbandry. Enhancing the nutritional quality of these feedstuffs through fermentation presents a viable approach. This study investigates the efficacy of cellulolytic bacteria in degrading fiber in three local feed materials: duckweed (Lemna minor), water hyacinth (Eichornia crassipes), and lamtoro (Leucaena leucocephala). We employed a completely randomized block design with feed types as the block and levels of starter culture as treatment. Pediococcus pentosaceus, identified for its cellulase enzyme production with a clear zone of 4 cm on starch media, was utilized as the starter culture. The experimental procedure involved spraying Pediococcus pentosaceus onto duckweed, water hyacinth, and lamtoro, followed by incubation. The results indicated that Pediococcus pentosaceus effectively produced cellulolytic enzymes and significantly reduced crude fiber in duckweed by 18.18%, in water hyacinth by 9.17%, and in lamtoro by 4.23% (p < 0.05). Additionally, the crude protein content increased in all samples: by 4.69% in duckweed, 2.71% in water hyacinth, and 2.13% in lamtoro (p < 0.05). Among the treatments, the optimal outcome was achieved with 3 ml of Pediococcus pentosaceus. This study demonstrates the potential of Pediococcus pentosaceus for improving the nutritional profile of local feedstuffs through fermentation.
Standardization of Specific and Non-Specific Parameters of Methanol Extract from Poinsettia Red Leaves (Euphorbia pulcherrima Willd.) Abdillah, Lalu Khairi; Hanifa, Nisa Isneni; Mukhlishah, Neneng Rachmalia Izzatul; Hidayati, Agriana Rosmalina
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7412

Abstract

The poinsettia red leaves (Euphorbia pulcherrima Willd.) have the potential as antibacterial and antioxidant agents and are widely utilized by the community for wound healing purposes. This research aims to determine the specific and non-specific parameter values of methanol extract from poinsettia red leaves. Samples of poinsettia red leaves were processed into extracts using the maceration method with 96% methanol as the solvent. The extract was standardized by determining specific and non-specific parameters. The test result data were analyzed descriptively in both qualitative and quantitative manners. The standardization results of specific parameters showed the identity of the extract as methanol extract of poinsettia red leaves, with organoleptic properties of a thick greenish-black extract, distinctive poinsettia aroma, and bitter taste. The water-soluble compound content was 51,47% ± 0,437 and ethanol-soluble 61,22% ± 0,117. Results for non-specific parameters indicated drying loss of 12,50% ± 0,419, moisture content of 12,62% ± 0,173, total ash content of 5,25% ± 0,538, acid-insoluble ash of 0,34% ± 0,048, residual solvent 0,00% ± 0,000, total plate count was TFTC (Too Few To Count), and mold and yeast count was 1,5 x 104 colonies/g sample. This research can serve as a reference for determining specific and non-specific parameters of methanol extract from poinsettia red leaves.
The Effect of Maleic Anhydride Concentration on Water Resistance of Carrageenan-Based Bioplastic Made using The Sol-Gel Method Aminu, November Rianto; Setyaji, Dimas Nugraha; Hartini, Sri
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7420

Abstract

There is an increasing rate of land conversion in Indonesia that can threaten food self-sufficiency. Therefore farmers and the government must expand agriculture by developing agriculture on potential available lands such as drylands. However, drylands in Indonesia have low productivity due to low water and nutrient availability. This article aims to determine the potential use of arbuscular mycorrhizal fungi to overcome drought stress and low nutrient availability in drylands. The method used in writing this article is a desk literature study conducted by collecting data from various sources, such as scientific journals, seminar proceedings, and online reports available in related government office in West Nusatenggara Province. The data obtained were then analyzed qualitatively by identifying, reviewing, and synthesizing information to produce a complete and comprehensive explanation. The results of the literature study showed that arbuscular mycorrhizal fungi have the potential to overcome drought stress and low nutrient availability in drylands. The use of arbuscular mycorrhizal fungi can be a sustainable solution to increase agricultural productivity in drylands.
Article Review: Potential use of Andaliman Fruit as an Antibacterial Karo-Karo, Sry Ulina; Nabila, Nabila; Hartini, Putri Tri; Andry, Muhammad; Ligo, Azzura; Rezaldi, Firman
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7423

Abstract

This research examines the potential of andaliman fruit (Zanthoxylum acanthopodium) as an antibacterial agent. Andaliman fruit is known to contain bioactive compounds such as alkaloids, flavonoids and saponins which have the potential to inhibit the growth of pathogenic bacteria. The antibacterial activity test was carried out using the agar diffusion method against several test bacteria, including Escherichia coli and Staphylococcus aureus. The results showed that andaliman fruit extract had significant antibacterial activity, indicated by the inhibition zone formed around the extract impregnation disc. The highest activity was noted against Staphylococcus aureus, which is a gram-positive bacterium. These findings indicate that andaliman fruit has the potential to be developed as an effective natural antibacterial agent. Further research is needed to identify the specific active compound and its antibacterial mechanism of action.
Factors Affecting Seaweed (Eucheuma cottoni) Production in Banten Province (Case in Lontar Village) Handayani, Evi; Daris, Edmon; Ichdayati, Lilis Imamah
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7425

Abstract

Seaweed is one of the plants that has a lot of potential as a functional food ingredient, active ingredient of drug preparation and even cosmetics that are quite natural in producing various pharmacological activities both as a source of antioxidants, antibacterials, antimicrobials and anticancer. Seaweed is currently a potential asset for areas that are able to produce it to meet the increasing market needs. Lontar Village, located in Banten Province, is one of the main seed producing areas. However, seed production factors are one of the main indicators that need to be used as a standard in this study, such as the length of the rope span, age characteristics, education characteristics, characteristics of the seed farmer's business experience. This type of research is quantitative and data is obtained primarily and secondarily. The data obtained were analyzed using the SPSS 26 program. The results of the study showed that the factors that influence seaweed production in Banten Province, especially Lontar Village, are influenced by the length of the rope span, age characteristics, education characteristics, characteristics of the seaweed farmer's business experience. The conclusion is that seaweed production is influenced by various characteristics, namely age, education, and seaweed farming experience.
Mikania micrantha Kunth leaf Methanol Extract as Bioherbicide Againts The Growth of Amaranthus spinosus L. Weeds Parwati, Heni; Mukarlina, Mukarlina; Linda, Riza
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7428

Abstract

The presence of weeds on plantation land causing a decrease in growth and productivity of cultivated plants. Thorny amaranth (Amaranthus spinosus L.) is broadleaf weeds that have high competitiveness. This study aims to determine the influence of the application of bitter vine (Mikania micrantha Kunth) leaf extracts against the growth of thorny amaranth and the best concentration that can inhibit the growth of thorny amaranth weed. This study has been carried out for October 2023 - March 2024 in the Biology Screen House and Chemistry Laboratory, Faculty of Mathematics and Natural Sciences, Tanjungpura University. This study used a completely randomized design (CRD) with four levels concentration treatment of bitter vine leaf extracts with five replications. The treatment consisted of bitter vine leaf extract with a concentration 0% (0g/ml) as a control, 15% (0,15 g/ml), 20% (0,2 g/ml) and 25% (0,25 g/ml). Data was analysed using Kruskal Wallis test followed by Mann-Whitney test. The results showed giving bitter vine leaf extracts can inhibited the growth of thorny amaranth weeds. Application of bitter vine leaf extract concentration 15% was the best treatment that can inhibited the growth of thorny amaranth on parameters weeds height (2,53 cm), number of leaves (2,65 strands), root length (1,74 cm), wet weight (0,13 grams) and dry weight (0,01 grams). 
Potential Carbon Content and Inorganic Carbon Sequestration in the Karst Area of Silokek Geopark, Sijunjung Regency Pertiwi, Vera; Chairul, Chairul; Syamsuardi, Syamsuardi
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7432

Abstract

Climate change caused by increasing greenhouse gas emissions, especially CO2, and deforestation, is an urgent global issue. The REDD+ program initiated by the UN aims to reduce carbon emissions and increase carbon storage in forests. One of the forests that can reserve carbon is the karst area with the ability to reserve carbon dioxide (CO2). This study aims to determine the potential carbon content and carbon dioxide (CO2) sequestration. This study was conducted using the chip sampling method and the XRF (X-ray Fluorescence) method analysis. Based on the research results, it is known that the Silokek Geopark karst area has three different limestone rock characteristics, and sample 3 is the type of rock with the highest CaO percentage. The potential inorganic carbon content is 4,908.07 tons/ha and carbon absorption is 18,012.60 tons/ha, categorized as high. The inorganic carbon content in the Silokek Geopark area is lower than the Biduk-biduk Karst area which is influenced by the area volume area and type of rock composition.

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