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INDONESIA
Journal of Tropical Biodiversity
Published by Universitas Nasional Jakarta
ISSN : -     EISSN : 27744116     DOI : -
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Immunology & microbiology
Journal of Tropical Biodiversity, ISSN : 2774-4116 (Online) is an international journal that publishes articles on all aspects of biological diversity-its description, analysis and conservation, and its controlled rational use by humankind. The scope of Biodiversity and Conservation is wide and multidisciplinary, and embraces all life-forms. published by Universitas Nasional Jakarta
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 5 Documents
 1 
Search results for , issue "Vol 5 No 3 (2025): August 2025" : 5 Documents clear
A Preliminary Assessment of Bird Communities and Their Conservation Status in Two Grand Forest Parks (Tahura) of Lamandau, Central Kalimantan Patanduk, Adolfina; Wicaksono, Gusti; Rahmawati, Niken; Sunarto, Sunarto; Widaryo, Iwan; Sapari, Iman
Journal of Tropical Biodiversity Vol 5 No 3 (2025): August 2025
Publisher : Universitas Nasional Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59689/bio.v5i3.290

Abstract

In 2023, the Environment and Forestry Service (DLHK) of Lamandau Regency, Central Kalimantan, designated two forest areas, Tahura Bukit Selajaan and Tahura Bukit Benyawai, as Grand Forest Parks (Tahura) to strengthen biodiversity conservation and management efforts. This preliminary study aimed to inventory bird species, analyze species composition and community structure, and identify protected and endangered species in both areas. The research employed line transect and point count methods, supported by camera traps to enhance detection. A total of 92 bird species were recorded, including 21 protected and 9 endangered species. The Sørensen Similarity Index (>75%) indicated a high degree of similarity in bird communities between the sites, suggesting comparable habitat conditions. Key species such as the Bornean Bristlehead, Helmeted Hornbill, Rhinoceros Hornbill, and Great Argus highlight significant avitourism potential. These findings provide a crucial baseline for sustainable conservation planning. However, ongoing anthropogenic pressures threaten habitat quality. Strategies such as public awareness programs, regular monitoring and patrols, and the development of conservation based alternative livelihoods are essential to ensure long term ecological integrity and sustainable management of the Tahura areas.
Phytochemical Profile and Antioxidant Potential of Zingiberaceae and Solanaceae Plants Using the RAMES Method Adilah, Hanifa Nur; Adawiyah, Suryani; Agustiana, Syifa; Effendi, Alvira Noer; Sinaga, Ernawati
Journal of Tropical Biodiversity Vol 5 No 3 (2025): August 2025
Publisher : Universitas Nasional Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59689/bio.v5i3.291

Abstract

Plants from the Zingiberaceae and Solanaceae families are recognized for their diverse phytochemical content and pharmacological potential. This study aimed to evaluate the phytochemical profiles and antioxidant activities of ten plant species from these families using the Rapid Metabolome Extraction and Storage (RAMES) method. Fresh rhizomes from Zingiberaceae and fruits from Solanaceae were extracted with ethanol, followed by qualitative phytochemical screening and antioxidant evaluation using the ABTS method. All tested species contained alkaloids, flavonoids, tannins, quinones, and phenols. Triterpenoids were consistently detected in Zingiberaceae species but were largely absent in Solanaceae, which predominantly contained steroids. Antioxidant assays revealed strong activity in all samples, with complete ABTS decolorization (score +3) comparable to ascorbic acid. These findings suggest that antioxidant potential is closely associated with flavonoid and phenolic compound content. The RAMES method proved to be a rapid, efficient, and environmentally friendly approach for small scale extraction of bioactive compounds, enabling sustainable use of medicinal plant resources. This study underscores the therapeutic potential of Zingiberaceae and Solanaceae species as natural antioxidant sources for the development of functional health products and herbal medicines. Further quantitative and biological studies are recommended to identify key active constituents and evaluate their safety and clinical efficacy.
Antioxidant Potential, Quantification of Phenolics and Flavonoids, and Characterization of Secondary Metabolites of Stem Methanol Extract of Mitrella kentii (Blume) Miq. Using LC-MS/MS Analysis Siregar, Astri Rozanah; Sinaga, Ernawati
Journal of Tropical Biodiversity Vol 5 No 3 (2025): August 2025
Publisher : Universitas Nasional Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59689/bio.v5i3.292

Abstract

Mitrella kentii (Blume) Miq., a wild plant from the Annonaceae family, naturally grows in the peat swamp forests of Kalimantan, Indonesia. Known as Black Bajakah among the Dayak Ngaju community in Central Kalimantan, its stems have traditionally been used to treat various ailments and restore stamina during forest work. This study aimed to identify secondary metabolites in the methanolic extract of M. kentii stems and to explore its potential for medicinal applications and drug discovery. LC-MS/MS analysis was conducted using a C18 column on the Waters Acquity UPLC system, with electrospray ionization in positive and negative ion modes. Compound identification employed the UNIFI data processor with the Waters Traditional Medical Scientific Library database. The analysis revealed five bioactive compounds: d-Lirioferine (lirioferine), isosinomenine, N-(1,7-Dimethoxy-phenanthren-2-yl)-acetamide, scoulerine, and yuanhunine, all with documented biological activities. Quantitative analysis showed the extract contained 36.23% total phenols, 0.44% total flavonoids, and exhibited very strong antioxidant activity with an IC50 value of 12.06 ppm. These results support the traditional medicinal use of M. kentii and highlight its potential as a source of bioactive compounds for future pharmaceutical development.
Vegetation Structure of The Sumatran Rhino Habitat In The Kapi, Leuser Ecosystem Area, Aceh Province Rahmadetiassani, Afifi; Darnaedi, Dedy; Samedi, Samedi; Putra, Rudi H.; Khan, Latif; Hanum, Cut Maila
Journal of Tropical Biodiversity Vol 5 No 3 (2025): August 2025
Publisher : Universitas Nasional Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59689/bio.v5i3.293

Abstract

The Sumatran rhino (Dicerorhinus sumatrensis) is one of the most critically endangered large mammals, with fewer than 100 individuals remaining. Habitat quality plays a vital role in ensuring its survival and reproduction. The Kapi area within the Leuser Ecosystem Area (LEA) is considered one of the potential remaining habitats for this species, yet data on its vegetation structure is limited. This study aimed to analyze and describe vegetation conditions in Kapi by examining species composition, similarity, diversity, evenness, and importance value index (IVI). Vegetation data were collected from October to December 2021 using randomly distributed sample plots across all vegetation strata. A total of 98 plant species from 37 families and 7,394 individual plants were recorded, comprising 67 species in the tree stratum, 43 species in the pole stratum, 42 species in the sapling stratum, and 43 species in the seedling stratum. Species similarity was highest between sapling and pole strata (63.53%) and lowest between sapling and tree strata (45.87%). Seventy-nine plant species from 29 families were identified as rhino food plants. Diversity was highest in the tree stratum (H’=3.32) and lowest in the seedling stratum (H’=2.88). Evenness peaked in the pole stratum (E=0.83) and was lowest in the seedling stratum (E=0.76). IVI analysis indicated different dominant species in each stratum.
Phytochemistry and Potential of Sargassum binderi, Sargassum cinereum, Padina australis, and Turbinaria conoides as Medicinal Ingredients Priamanatha , Dandy; Handayani, Sri; Zulfa, Astri
Journal of Tropical Biodiversity Vol 5 No 3 (2025): August 2025
Publisher : Universitas Nasional Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59689/bio.v5i3.294

Abstract

This study investigated the phytochemicals and potential from macroalgae Sargassum binderi, Sargassum cinereum, Padina australis and Turbinaria conoides as material medicine. Samples in the study are taken from the sea around Kepulauan Seribu. Qualitative and quantitative tests conducted in the laboratory Nasional University Chemistry and Research Center Laboratory Plant Spices and Medicines. Research focuses on composition of phytochemicals consisting of groups of alkaloids, tannins, flavonoids, and saponins, then see its potential as a material drug through scientific studies. The results found in the research on every sample found contain all group phytochemicals in a way qualitative. Apart from that, levels of phytochemicals obtained are different. Sargassum binderies own high levels of flavonoids and saponins so that potential become drug as antioxidant, antiatherosclerotic, anti-inflammatory, antithrombogenic, antitumor, antiosteoporotic , antiviral, antibacterial, antifungal, and antiparasitic. While level tannin highest owned by Turbinaria conoides so that potential become material drug as antioxidant, antibacterial, antiviral, anticarcinogenic, anti-inflammatory, antiallergic, and vasodilator agents. Padina australis and Sargassum cinereum in a way sequentially own level highest from flavonoid and saponin groups, so that potential become material drug as antioxidant, antiatherosclerotic, anti-inflammatory, antithrombogenic, antitumor, antiosteoporotic, antiviral, antibacterial, antifungal, antiparasitic, and has hemolytic. All samples in a way qualitative contain alkaloids, so that has the potential to also become a material drug as anticancer, antibacterial, antiviral, antifungal, cytotoxic to herbivorous, analgesic, and relaxant muscle. Research more carry on about activity pharmacology, compounds phytochemicals specific, alkaloid levels, and dosage best can open knowledge about material drug from more macroalgae complete

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