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INDONESIA
BIOVALENTIA: Biological Research Journal
Published by Universitas Sriwijaya
ISSN : -     EISSN : 24771392     DOI : https://doi.org/10.24233/biov
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology
BIOVALENTIA: Biological Research Journal aims to review and publish the Biological research results from researchers. The range of articles which BIOVALENTIA: Biological Research Journal publishing is the research results in Biology science and applied Biology. Biology science is included Ecology, Biosystematics, Physiology, Developmental Biology, Microbiology, Genetics. Applied Biology is included Biotechnology, and the sciences derived from Biology science.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "vol. 12 no. 1 (2026)" : 8 Documents clear
Initial Bat Surveillance in Lampung: Uncovering the Potential Reservoir of Coronaviruses and Zoonotic Disease Risks Elly Lestari Rustiati; Priyambodo Priyambodo; Azmi Sevira Nur; Neli Pratiwi; Nova Yunior; Kurniasih Vidyanti; Saswiyanti Enny; Master Jani; Eko Srihanto
BIOVALENTIA: Biological Research Journal Vol. 12 No. 1 (2026)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.12.1.2026.508

Abstract

Bats are recognized as ecologically important mammals and potential natural reservoirs of zoonotic pathogens, including coronaviruses. However, baseline ecological information on bat diversity in human-influenced landscapes of Lampung, Indonesia, remains limited. This study aimed to conduct initial surveillance of bat diversity in selected urban and rural habitats in Lampung and to provide an ecological basis for assessing potential zoonotic risk contexts. Bat sampling was conducted using mist net trapping in four locations representing urban and rural landscapes, followed by morphological and morphometric identification. A total of 37 individuals representing five bat species were recorded, comprising four fruit-eating species, Cynopterus brachyotis, Cynopterus sphinx, Cynopterus horsfieldii, and Cynopterus titthaecheilus, and one insectivorous species, Scotophilus kuhlii. The predominance of C. brachyotis across all sites indicates broad ecological adaptability, particularly in human-modified environments. Rural habitats supported greater species representation than urban sites, suggesting the influence of habitat heterogeneity on bat assemblages. Morphometric and reproductive observations further supported species discrimination and ecological interpretation. Although this study did not assess pathogen presence directly, the occurrence of bats at human–wildlife interfaces provides important baseline information for future surveillance related to reservoir hosts and zoonotic disease risks. These findings contribute to understanding bat diversity in Lampung and support further ecological and epidemiological investigations.
A Bibliometric Analysis of Microalgal Omega-3 Fatty Acids Eva Musifa
BIOVALENTIA: Biological Research Journal Vol. 12 No. 1 (2026)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.12.1.2026.555

Abstract

Microalgal omega-3 fatty acids have gained considerable attention as sustainable alternatives to fish-derived lipids due to environmental constraints, contamination risks, and increasing demand for nutraceutical products. However, the rapid growth of this field has led to a fragmented body of literature, necessitating a systematic evaluation of research trends and thematic developments. This study aims to examine the evolution, collaboration patterns, and thematic structure of microalgal omega-3 research using a bibliometric approach. Bibliographic data were retrieved from the Scopus database for the period 2010–2025 using relevant keywords, yielding 1,050 publications after screening. The dataset was analyzed using Biblioshiny and VOSviewer to assess publication trends, country contributions, journal distribution, author networks, and keyword co-occurrence. The results demonstrate a marked increase in publication output, particularly after 2017, indicating growing interest in sustainable lipid sources and functional food applications. India, China, and the United States emerged as leading contributors, supported by strong international collaboration. Thematic analysis identified four principal clusters: microalgal biotechnology and lipid production, nutritional and pharmaceutical applications, metabolic and biosynthetic pathways, and food and feed utilization. Therefore, this study highlights the rapid expansion and multidisciplinary nature of microalgal omega-3 research while providing insights to support future scientific development and innovation.
Hostplant Availability Influences Colonization Patterns and Pre-adult Development of Pachliopta antiphus antiphus in an Urban Ecotone in Palembang, Indonesia : Integrating Oviposition Behavior, Larval Development, and Resource Availability Ina Aprillia; Guntur Pragustiandi; Muhammad Iqbal
BIOVALENTIA: Biological Research Journal Vol. 12 No. 1 (2026)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.12.1.2026.563

Abstract

Hostplant availability is a key factor influencing butterfly distribution, particularly in urban environments with limited ecological resources. This study aimed to examine the colonization, oviposition behavior, and pre-adult development of Pachliopta antiphus antiphus following the introduction of its host plant Aristolochia tagala in a residential area in Palembang, Indonesia. A direct observation method was applied to monitor butterfly presence, egg-laying activity, and development from egg to adult stage. All observed individuals  (total of 12 eggs successfully developed into adults. Eggs were laid singly, primarily on young leaves. Larval development consisted of four instars, with increasing body size and feeding rate at each stage. The duration from egg to adult emergence fell within the normal developmental range reported for the genus. This finding highlights the importance of hostplant presence in supporting butterfly persistence and suggests a nested pattern of species occurrence within urban landscapes.
Behavioral Response of a Rehabilitated Siamang (Symphalangus syn-dactylus) to Environmental Enrichment at the Punti Kayu Rehabilitation Center, Indonesia Kamila Alawiyah; Dini Oktalia Yulius; Selly Novrianti
BIOVALENTIA: Biological Research Journal Vol. 12 No. 1 (2026)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.12.1.2026.559

Abstract

Populations of the Siamang (Symphalangus syndactylus) are declining due to habitat loss and illegal exploitation, highlighting the need for effective conservation strategies. Rehabilitation and reintroduction programs are important efforts, but their success depends on the behavioral readiness of individuals. Therefore, this study aimed to assess activity budgets, vertical space utilization, and behavioral responses to environmental enrichment in a rehabilitated siamang candidate for release. Behavioral observations were conducted using a scan sampling method during two periods, before and after the implementation of environmental enrichment. The enrichment consisted of woven palm leaf devices filled with fruits and vegetables placed at elevated positions to stimulate natural foraging and locomotion behaviors. Observed behaviors included feeding, locomotion, resting, grooming, social interaction, and enclosure strata use, which were analyzed quantitatively based on frequency and percentage. The results showed that environmental enrichment influenced behavioral patterns and activity distribution. Active behaviors increased from 57.67% before enrichment to 72.6% after enrichment, while resting behavior decreased from 42.33% to 27.4%. Social interaction increased notably, and locomotion remained a dominant activity. Vertical space utilization also shifted, with the use of the upper stratum increasing from 66.0% to 86.1%, while the lower stratum was no longer utilized after enrichment. In conclusion, environmental enrichment enhances behavioral competence in rehabilitated siamangs by promoting active behaviors and encouraging the use of upper canopy space, supporting their readiness for release.
Phytoremediation Effectiveness of Salvinia molesta and Hydrilla verticilla-ta L. in Treating Batik Industrial Wastewater Natasya Dwi Anjani anjani; Tarzan Purnomo; Fida Rachmadiarti; Sunu Kuntjoro
BIOVALENTIA: Biological Research Journal Vol. 12 No. 1 (2026)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.12.2.2026.565

Abstract

Batik industrial wastewater contains organic pollutants and suspended solids that may degrade water quality if discharged without treatment. Phytoremediation using aquatic plants offers an environmentally friendly alternative for wastewater management. This study aimed to evaluate the effects of plant type and detention time on the phytoremediation efficiency of batik wastewater using Salvinia molesta, Hydrilla verticillata, and their combination. The experiment was conducted using a Randomized Block Design with detention times of 0, 7, and 14 days. Water quality parameters, chlorophyll content, and plant biomass were analyzed using two-way Analysis of Variance (ANOVA) followed by Duncan’s Multiple Range Test (DMRT) at a significance level of p < 0.05. The results demonstrated that both plant type and detention time significantly improved wastewater quality (p < 0.05). The combined plant treatment at 14 days produced the most effective remediation, indicated by reduced BOD, TSS, and turbidity and improved pH conditions within quality standards. Longer detention time enhanced phytoremediation performance and supported plant growth under wastewater conditions. These findings highlight the ecological synergy between floating and submerged aquatic plants as a promising nature-based solution for sustainable batik wastewater treatment.
Lactoferrin as a Potential Immune Biomarker in Breast Milk Exposed to Secondhand Smoke: A Literature Review Sarah Angelica W. Simamora; Artika Sri Wahyuni; Elffisa Eriani; Ario Sucipto; Nayla Khairani; Yadi Oktariansyah
BIOVALENTIA: Biological Research Journal Vol. 12 No. 1 (2026)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.12.1.2026.568

Abstract

Smoking remains prevalent in Indonesia and poses health risks to mothers and infants. Data from the Maternal and Perinatal Death Notification (MPDN) system indicate that maternal mortality increased to 4,129 cases in 2023 from 4,005 cases in the previous year. Although maternal mortality is multifactorial, this highlights the importance of reducing environmental risks such as secondhand smoke (SHS) exposure. SHS is common in household environments and may affect breastfeeding mothers and infants. Breast milk is the main source of infant nutrition and supports early immune protection. Lactoferrin, an iron-binding glycoprotein in breast milk, has antimicrobial, anti-inflammatory, and immunomodulatory functions. SHS-induced oxidative stress may damage the structural integrity of glycoproteins in breast milk, including lactoferrin, which can impair their immunological functions. This literature review aims to examine the potential role of lactoferrin as an immune biomarker in breast milk from mothers exposed to SHS. This study used a literature review approach by identifying, selecting, and synthesizing relevant scientific articles on SHS exposure, breast milk composition, lactoferrin, and infant immune protection based on predetermined inclusion criteria. The reviewed literature indicates that SHS exposure is associated with oxidative stress and inflammatory responses, which may interfere with lactation quality and alter immune-related glycoproteins in breast milk. Lactoferrin is considered a potential biomarker because it is related to antimicrobial activity, immune regulation, and infant protection against infection. This review concludes that reducing household SHS exposure is important to protect breastfeeding mothers and maintain breast milk immunological quality. Further empirical studies are recommended to examine the direct relationship between SHS exposure intensity and lactoferrin levels by considering lactation stage, maternal nutritional status, infant age, infection history, and breastfeeding patterns.
Genetic Variation of Cephalopachus bancanus from Bangka and Belitung Islands Based on Cytochrome-B Marker Gene Analysis Adinda Diva Shafira; Herlanda Wahid; Hanum Laila
BIOVALENTIA: Biological Research Journal Vol. 12 No. 1 (2026)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.12.1.2026.534

Abstract

The Western tarsier (Cephalopachus bancanus) is a nocturnal primate distributed across Sundaland, including Bangka and Belitung Islands, where populations face increasing habitat disturbance and conservation threats. Geographic isolation may contribute to genetic differentiation between subspecies. Despite their conservation importance, genetic information for these insular populations remains limited. This study investigated the genetic variation and phylogenetic relationships of C. b. bancanus from Bangka Island and C. b. saltatorfrom Belitung Island using partial mitochondrial Cytochrome-B (Cyt-B) sequences. Ear tissue samples were collected from twelve individuals (six from each island), and DNA was amplified using GLUD-GL and CB2H primers. Amplified fragments ranged from 470–479 bp and showed high similarity (≥91%) with reference C. bancanus sequences in GenBank. Sequence alignment identified conserved and variable nucleotide sites, including parsimony-informative characters and singleton mutations. Haplotype diversity was high (Hd = 0.933), indicating substantial mitochondrial variation within the sampled populations. Phylogenetic reconstruction using the Neighbor-Joining method revealed partial clustering according to island origin, although several individuals shared closely related haplotypes across populations. The low level of sequence divergence may reflect historical connectivity between Bangka and Belitung during Pleistocene land bridge formation in Sundaland. These findings provide preliminary molecular evidence of evolutionary connectivity among island populations and emphasize the importance of integrating genetic information into future conservation and management strategies for Cephalopachus bancanus.
Exploration of Indigenous Anaerobic Microbes From The Soil of Mount Ringgit, Situbondo: - Nurul Avidhah Elhany; Ahmad Taufikur Rahman
BIOVALENTIA: Biological Research Journal Vol. 12 No. 1 (2026)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24233/biov.12.1.2026.569

Abstract

Soil is an ecosystem containing various types of microbes with varying morphological and physiological properties. The number of each microbial group varies greatly, with some consisting of only a few individuals, while others number up to millions per gram of soil. The number of microbes influences the chemical and physical properties of the soil, as well as plant growth. By understanding the number and activity of microbes in a soil, it is possible to determine whether the soil is fertile or not, because a high microbial population indicates an adequate food/energy supply, appropriate temperature, sufficient water availability, and soil ecological conditions that support microbial growth. This study aimed to explore and isolate indigenous anaerobic microbes from the soil of Mount Ringgit, Situbondo, and identify their initial characteristics. This study employed a descriptive exploratory approach with laboratory experimental methods. Soil samples were collected using purposive sampling. The isolation process was carried out using a multilevel dilution technique followed by incubation under anaerobic conditions. The growing colonies were then purified and characterized macroscopically and microscopically. The results of the study showed that two distinct anaerobic bacterial isolates were obtained. Based on characterization, the isolates were identified as Clostridium sp. and Thiobacillus denitrificans. The presence of these two bacteria indicates that the soil of Mount Ringgit, Situbondo, has the potential for anaerobic microbial diversity, which plays a role in the decomposition of organic matter and the transformation of inorganic compounds.

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