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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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Literature Review: Hepatocellular Carcinoma (HCC) Zakiyyah, Luthfi; Fauzan, Muhammad; Gifari, Lalu Maulana Azmi; Faranajhia, Hagia; Putri, Ajeng Ayu; Hermansyah, Anang; Arafah, Tazkiyah
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7761

Abstract

Hepatocellular Carcinoma (HCC) is a type of primary liver cancer which is a fatal disease. Globally, Hepatocellular Carcinoma (HCC) is the dominant type of liver cancer, accounting for around 75% of the total incidence. HCC incidents are mostly found in Asia and Africa. In general, the causes of HCC include a history of hepatic cirrhosis, chronic hepatitis B infection, hepatitis C infection, autoimmune hepatitis, excessive alcohol consumption, obesity, smoking, non-alcoholic steatohepatitis (NASH), and diabetes mellitus. There are three types of therapy including surgery, locoregional, and systemic. The therapy is also divided into invasive, minimally invasive, and non-invasive therapy. This literature review aims to facilitate the review of the Hepatocellular Carcinoma.  Scientific related questions, databases to be used, selection of keywords, inclusion and exclusion criteria, definition of results and conclusions of selected articles are all elements included in this research search strategy. At the end e met some articles that fit the criteria and conclude that is a deadly disease with high mortality and morbidity because in the early stage HCC is generally asymptomatic.
Mentawai Taro Corm Flour’s Benefits on Hyperglycemia and Pancreas Histopathology in Diabetic Mice Aini, Wardatul; Santoso, Putra; Rahayu, Resti
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7763

Abstract

Diabetes mellitus (DM) is among the most severe health issues globally. This study aimed to determine the beneficial effects of Mentawai taro (Colocasia esculenta var. Mentawai) in managing hyperglycemia and attenuating inflammation in pancreatic ß-cells in alloxan-induced diabetic mice. Twenty-one adult male mice were divided into three groups: healthy (non-DM), alloxan-induced DM, and DM mice fed with a diet containing 25% Mentawai taro flour. The treatments were administered for four consecutive weeks. Various parameters, including blood glucose levels, glucose tolerance, and insulin tolerance, were assessed, alongside microscopic examination of pancreatic histology. The results demonstrated that supplementation with 25% Mentawai taro corm significantly lowered fasting blood glucose levels (**P<0.01) and improved glucose tolerance (*P<0.05) and insulin tolerance (*P<0.05) compared to untreated diabetic mice. Mentawai taro corm also ameliorated pancreatic degeneration, as indicated by a larger islet of Langerhans area, a higher total cell number per islet, and a significantly lower number of degenerated cells in pancreatic tissue (**P<0.01). In conclusion, supplementing Mentawai taro corm at 25% in the diet could effectively help manage diabetic issues, including hyperglycemia and pancreatic degeneration.
Structure of Mangrove Vegetation Patterns Based on Salinity Differences in Jangkang River, Bengkalis Island, Riau Ria Saputra, Eki; Setyawatiningsih, Sri Catur; Mahatma, Radith
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7767

Abstract

Mangroves in Sungai Jangkang, Bengkalis Island, are affected by anthropogenic activities and environmental factors, with salinity being the most influential environmental factor. This study aims to describe the structure of mangrove vegetation patterns based on variations in salinity. The research was conducted in the Jangkang River, Bengkalis Island, in March 2024. Representative areas of three salinity zones along upstream, midstream, and downstream were selected. The species present were assessed for density, frequency, dominance, and importance index. The salinity in the upstream section was 5 ‰, in the midstream 8 ‰, and in the downstream 18 ‰. Four species from four families were found in the upstream section, three species from three families in the midstream, and eight species from seven families in the downstream section. Rhizophora apiculata was the most dominant species and had the highest importance index (INP) in the Jangkang River. Mangrove species diversity in the upstream and midstream sections of the Jangkang River was classified as low (H' < 1), while the downstream section had moderate diversity (1 < H' < 3).
Ecology of Scaphium macropodum in the Sarolangun Jambi Production Forest Area Lubis, Rizky Febriana Br; Marpaung, Sutan Sahala Muda; Srena, Mona Fhitri; Kusuma, Yosie Syadza; Batubara, Junianto S.; Siadari, Ulidesi
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7774

Abstract

The Pengulu Tribe in Limun District, Sarolangun Regency, Jambi Province, has long used the fruit of *Scaphium macropodum*—locally known as "merpayang" or "mempayang"—as a traditional medicine. *Scaphium macropodum* belongs to the Sterculiaceae family and has a broader distribution compared to its seven subspecies. This study investigates the ecology of *S. macropodum* to provide initial information on its use by the Pengulu Tribe, as well as the population and habitat conditions in Sarolangun Jambi's production forest. The study aims to estimate the population of *S. macropodum* in the forest and analyze the ecological factors influencing its habitat. Conducted between December 2023 and January 2024, the research utilized observation, interviews, and literature review methods, with data analyzed descriptively and qualitatively. Ecological factors were examined using the Importance Value Index (INP), diversity and evenness indices, community similarity index (Ward method), and Principal Component Analysis (PCA). The study identified 47 species from 18 tree families within the *S. macropodum* habitat. The dominant species in two research sites, APL NM and HA DM, were *Shorea parviflora* (meranti). At HL DT and APL DM, the dominant species were *Shorea multiflora* (squirrel coconut) and *Canarium* sp. (mosquito legs). The Shannon-Wiener diversity analysis indicated moderate diversity and evenness across the four sites. APL NM and HA DM had significant community similarity (90.81%), while APL DM had a lower diversity index compared to the other sites.
Determination of Total Flavonoid Content and Antioxidant Activity of Avocado Stem Bark (Persea americana Mill) Ethanol Extract in Inhibiting DPPH Risnata, Richa Poetri; Hidayati, Agriana Rosmalina
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7776

Abstract

Excessive free radicals in the body can trigger degenerative diseases. Therefore, antioxidant help is needed from outside the body to inhibit free radicals. Long-term use of synthetic antioxidants is limited because they can cause cancer. This encourages the development of natural antioxidants, one of which comes from avocado stem bark. Avocado stem bark contains flavonoids which act as antioxidants. This study aims to determine the total flavonoid content and antioxidant activity of avocado stem bark ethanol extract in inhibiting DPPH. Avocado stem bark was extracted using sonication followed by the identification of flavonoids using a tube test and thin layer chromatography test. Determination of total flavonoid content was carried out using the colorimetric method and antioxidant testing using the DPPH method. The results obtained were that the avocado stem bark was positive for containing flavonoids based on tube tests and thin layer chromatography. The results of determining the flavonoid content in the ethanol extract of avocado stem bark were 5.572 mgQE/g. The ethanol extract of avocado stem bark is a very strong antioxidant with an IC50 of 21.221 ppm. So it was concluded that avocado stem bark can be used as a natural antioxidant candidate.
Analysis of Cholesterol Content, E. Coli Bacteria, and Organoleptic Value of Rarang Chicken Cooking Based on Slaughter Age Alfian G. M, Aji; Bulkaini, Bulkaini; Kisworo, Djoko; Ichsan, Ichsan; Rosyidi, A.; Yuliani, Enny; Permatasari, Lina
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7789

Abstract

Rarang chicken dish is a very special dish with a unique taste on Lombok Island. This research aims to determine the effect of slaughter age on cholesterol content, E.Coli and organoleptic value of Rarang chicken dishes. The materials used were 15 male chickens and a number of Rarang chicken cooking spices. The method used is an experimental method in the Animal Product Processing Technology Laboratory, Faculty of Animal Science, University of Mataram, which is designed based on a Completely Randomized Design in a one-way pattern with 3 treatments and 5 replications: namely P1 = 6 weeks of slaughter age, P1 = 7 weeks of slaughter age and P2 = 8 weeks of slaughter age. Research data such as cholesterol content, E.Coli and organoleptic values ​​were analyzed using analysis of variance followed by the Tukkey Honestly Different Test. The results of the research showed that the cholesterol content, E. Coli, and organoleptic value of Rarang chicken dishes based on age at slaughter were respectively: total cholesterol ranges from 32.18-45.30%; E.Coli content of 0.4 CFU/g, with organoleptic values ​​(color, aroma, taste and tenderness) accepted by consumers. Conclusion: Super village chicken which is processed into Rarang chicken dishes at 7 weeks of slaughter age can provide relatively low total cholesterol and E.Coli content, with organoleptic values (color and aroma) that consumers like, the taste is relatively delicious and Rarang chicken dishes are relatively tender.
Skin Manifestation of Crohn's Disease Rahman, Moch. Aulia; Islamy, Muhammad Habiel; Harliza, Baiq Fanindya; Iqlima, Aisya Yafis; Lukman, Dian Azizah; Azmi, Naurah Arika; Fariztia, Alifia Intan; Humam, Anang Muh. Naufal; Salsabila, Maida Sania; Akbar, Nugraha Malik; Alaydrus, M. Mukaddam
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7790

Abstract

Skin Manifestation of Internal Disease is a condition that refers to changes or abnormalities in the skin that are related to or caused by systemic diseases or disorders of other internal organs of the body. Sweet's Syndrome as one of the skin manifestations that can occur in patients with Crohn's Disease. The purpose of this article is to determine the definition, etiology, epidemiology, pathophysiology, clinical manifestations, epidemiology and management of skin manifestations of Crohn's disease. The method used is a literature review of articles related to Skin Manifestation of Crohn's disease, which processes information and data from various related articles to obtain conclusions. Articles used related to this study were obtained through searches in databases such as PubMed, Google Scholar, and Sciencedirect. The publication year limit used in this article is at least 10 years. Sweet's Syndrome or known as Acute Febrile Neutrophilic Dermatosis (AFND) is a prototype of neutrophilic dermatosis disease characterized by acute onset neutrophilic dermal lesions, leukocytosis, and pyrexia. Based on its etiology, sweet syndrome is grouped into 3 subtypes: Classic Sweet's Syndrome (Idiopathic Sweet's Syndrome), Drug Induced Sweet's Syndrome, Malignancy-Associated Sweet's Syndrome. Therefore, it is important for clinicians to recognize Sweet's syndrome as one of the skin manifestations in CD patients so that appropriate treatment can be given.
Effect of Long Soaking of Gibberellin and H2SO4 Concentration Level on Germination of Manila Sapodilla Seeds (Manilkara zapota (L.) Van Royen) Kristiani, Putri; Ritawati, Sri; Eiffelt, Julio; Rohmawati, Imas
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7802

Abstract

Manila Sapodilla (Manilkara zapota (L.) Van Royen). Generally known as a long-lived plant. Sapodilla plants are tropical plants which are quite widely distributed in Indonesia. All parts of the manila sapodilla plant can be used from the fruit, leaves and stems as traditional medicine and for making other preparations. However, one of the problems is that sapodilla seeds have a hard, waterproof skin layer, which causes sapodilla seeds to experience dormancy and have difficulty germinating. This research aims to determine the effect of gibberellin soaking time and H2SO4 concentration levels on the germination of manila sapodilla (Manilkara zapota (L.) Van Royen) seeds. This study used a completely randomized design with two factors, the first factor, namely the long soaking treatment for gibberellin (L), which consisted of 3 levels, namely soaking for 6 hours (L0), soaking for 12 hours (L1), and soaking for 18 hours (L0). L2). the second factor, namely the H2SO4 concentration (K), which consists of 4 levels, namely without H2SO4 (K0), 40% H2SO4 concentration (K1), 60% H2SO4 concentration (K2), 80% H2SO4 concentration (K3). Gibberellin soaking treatment with a soaking time of 6 hours gave the best effect on growth speed parameters (2.44%/day). Treatment with a H2SO4 concentration level of 80% gave the best effect, namely on the parameters of maximum growth potential (88.89%), germination power (86.67%), growth speed (2.88%/day), as well as on the parameters of seeds not growing as much as (13.33%). There was no interaction between the length of gibberellin soaking treatment and the level of H2SO4 concentration on all parameters observed.
Modification of Protein-Based Edible Film Characteristics with Different Glycerol Concentrations: A Study on Thickness, Gelation, and Microstructure Fahrullah, Fahrullah; Basriani, Basriani; Anita, Cis; Febryanti, Farah; Fitri, Fitri
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7806

Abstract

A thin layer of material added directly to food products that comes from consumable sources is called an edible film. Proteins can be used to create edible films with barrier qualities against oxygen, moisture, and smell, making them appropriate for use as packaging materials that improve product appearance and have preservation effects. Finding out how different glycerol concentrations affect the thickness, gelation duration, and microstructure of protein-based films is the aim of this investigation. A completely randomized design with three treatments and three replications was used in this investigation. The treatments comprised distinct glycerol concentrations, designated as P1 (35%), P2 (40%), and P3 (45%). The protein-based films exhibited thickness values of 0.108–0.113 mm, gelation times of 16.00–20.67 minutes, and a uniform microstructure. At higher concentrations, such as 45%, glycerol resulted in increased porosity and aggregation within the polymer matrix, which in turn led to a reduction in the homogeneity and mechanical strength of the films.  A glycerol concentration of 35% proved to be the most effective treatment for the production of a whey-gelatin-based edible film, resulting in a smooth surface and an even distribution of glycerol within the protein matrix. This approach effectively reduced the occurrence of cracks or irregularities.
Cutaneous Photobiology in Basal Cell Carcinoma: A Literature Review Husna, Najla Firyal; Baiq Annisa Ulfi Anggraeni; Lalu Maulana Azmi Gifari; Aisya Nur Abida; Dhiya Atsila Shofa; Muhammad Fauzan; Alifa Aswandani; Anang Hermansyah; Komang Puspa Dewi; Muhammad Rezky Audia Aunurrahman; Dyah Purnaning
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
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.v24i4.7809

Abstract

Basal cell carcinoma (BCC) is the most common type of skin cancer. BCC arises primarily from prolonged exposure to ultraviolet (UV) radiation, which has been classified as a carcinogenic agent by the International Agency for Research on Cancer (IARC). The prevalence of BCC has increased by approximately 10% annually, which serves as the basis for this article aimed at better understanding the pathophysiology linking UV exposure to BCC and to provide more comprehensive information about BCC. This study uses a literature review approach by collecting data from online databases such as PubMed, ScienceDirect, MDPI and Google Scholar. This literature review comprehensively discusses the definition, etiology, epidemiology, risk factors, pathophysiology, clinical manifestation, treatment, and prevention strategies of BCC. This study find that UV radiation causes genetic mutations, especially in tumor suppressor genes such as PTHC and p53 which lead to development of BCC. In conclusion, early detection through clinical appearance and effective prevention strategies are crucial to significantly enhancing outcomes for patients with BCC.

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