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Fitra Adi Prayogo
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Journal of Biomedical Sciences and Health
Published by Universitas Karya Husada Semarang
ISSN : 30626854     EISSN : 30477182     DOI : https://doi.org/10.34310/
Core Subject : Health, Science,
Immunology & microbiology Medicine & Pharmacology Neuroscience Nursing Public Health
The Journal of Biomedical Sciences and Health (JBSH) accepts manuscripts in basic sciences and applied clinical research. It covers various fields of biomedical sciences, but is not limited to Medical sciences. Our journal accepts and publishes original articles and review articles that significantly contribute to the understanding of biomedical sciences and health. The Journal of Biomedical Sciences and Health is published biannually in the months of February and August. This journal is available for download to anyone, including students, researchers, and lecturers. Authors are not charged for publication in JBSH. JBSH is a journal that disseminates, discusses, and presents scientific literature to support other communities on health developments, thereby increasing the knowledge of scientists and health workers and ultimately improving the health of the global population. JBSH covers a wide range of topics, including: 1. Biomedical Sciences: Molecular biology, microbiology, anatomy, physiology, biochemistry, etc. 2. Health: Medicine, Nursing, Obstetrics, Public Health, Pharmacy, Radiology, Administration of Community Health Centers, Hospitals, and Health Services, Health analyst. Journal of Biomedical Sciences and Health (JBSH) is published by Program Studi Ilmu Biomedis Fakultas Ilmu Keperawatan dan Kesehatan Universitas Karya Husada Semarang. JBSH is expected to increase its visibility through scientific studies and research findings accessible to academic circles and researchers.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 32 Documents
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Feasibility and Preliminary Effects of a Structured Walking Intervention on Body Composition Among Biomedical Science Students: A Pilot Study Amelia, Poppy Fransisca; Prayogo, Fitra Adi
Journal of Biomedical Sciences and Health Vol. 3 No. 1 (2026)
Publisher : Universitas Karya Husada Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34310/jbsh.v3.i1.303

Abstract

Background: Sedentary behavior among university students contributes to adverse changes in body composition and long-term metabolic risk. Walking represents a simple and accessible form of aerobic activity with potential health benefits. Objective: This pilot study aimed to evaluate the feasibility and explore preliminary trends in body composition changes following a four-week structured walking intervention among biomedical science students. Methods: A pilot quasi-experimental study with a one-group pretest–posttest design was conducted among three undergraduate biomedical science students. Participants performed 30 minutes of light-to-moderate intensity walking, 3–4 times per week, for four weeks. Body composition parameters—including body weight, body mass index (BMI), body fat percentage, muscle percentage, and visceral fat—were assessed using bioelectrical impedance analysis (BIA). Data were analyzed descriptively. Results: After four weeks, varied changes in body composition were observed across participants. One participant showed a tendency toward reduced fat percentage in the later weeks of intervention, while muscle percentage was generally maintained or slightly decreased. Body weight showed modest increases across all participants. No adverse events were reported, and all participants completed the protocol, indicating good feasibility. Conclusion: A structured walking program appeared feasible and was associated with preliminary trends in body composition among young adults, though the direction and magnitude of changes varied individually. The findings should be interpreted cautiously, given the very small sample size. Larger randomized controlled trials with longer follow-up and dietary monitoring are required to confirm these preliminary observations.
Differences in Sugar Concentration on Flavonoid Levels in Roselle Kombucha (Hibiscus sabdariffa L.) As An Antioxidant Beverage Izza, Arifah Nurul; Lestari, Catur Retno; Hidayat, Umar
Journal of Biomedical Sciences and Health Vol. 3 No. 1 (2026)
Publisher : Universitas Karya Husada Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34310/jbsh.v3.i1.308

Abstract

Background: Kombucha is a fermented tea beverage produced using a symbiotic culture of bacteria and yeast (SCOBY). Sugar concentration plays an essential role in the fermentation process as it influences microbial metabolism and the formation of bioactive compounds. Roselle (Hibiscus sabdariffa L.) is rich in flavonoids and anthocyanins, which act as natural antioxidants. Objective: This study aimed to determine the effect of different sugar concentrations on flavonoid levels in roselle kombucha. Methods: This was an experimental study using a completely randomized design (CRD) with one factor, namely sugar concentration: F1 (15%), F2 (25%), and F3 (35%). Fermentation was carried out with the addition of SCOBY for 14 days at room temperature. Flavonoid levels were analyzed using a spectrophotometric method with quercetin as the standard. Data were analyzed using the Kruskal-Wallis test followed by the Mann-Whitney test. Results: The highest average flavonoid level was found in F1 (sugar concentration 15%) at 0.015690%, while the lowest was in F3 (sugar concentration 35%) at 0.011364%. The Kruskal-Wallis test showed a significant difference among treatments (p = 0.002, p < 0.05). The Mann-Whitney test confirmed that all pairwise comparisons between treatments were significantly different. Sugar concentration significantly affects flavonoid levels in roselle kombucha. Conclusion: The 15% sugar concentration produced the highest flavonoid content, suggesting that low sugar formulation is preferable to maintain bioactive compounds and enhance antioxidant potential. Therefore, roselle kombucha with lower sugar concentration can be developed as a functional beverage to prevent degenerative diseases related to oxidative stress.

Page 4 of 4 | Total Record : 32

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