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The Journal of Experimental Life Sciences (JELS)
Published by Universitas Brawijaya
ISSN : 20872852     EISSN : 23381655     DOI : 10.21776/ub.jels
Core Subject : Health, Science,
Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology Neuroscience
The Journal of Experimental Life Science (JELS) is a scientific journal published by Postgraduate School, University of Brawijaya as distribution media of Indonesian researcher’s results in life science to the wider community. JELS is published in every four months. JELS published scientific papers in review, short report, and articles in Life Sciences especially biology, biotechnology, nanobiology, molecular biology, botany, microbiology, genetics, neuroscience, pharmacology, toxicology, and Applied Life Science including fermentation technology, food science, immunotherapy, proteomics and other fields related to life matter. JELS is a scientific journal that published compatible qualified articles to the academic standard, scientific and all articles reviewed by the expert in their field. The Journal of Experimental Life Science (JELS) have a vision to become qualified reference media to publish the best and original research results and become the foundation of science development through invention and innovation on cellular, molecular, nanobiology, and simulation work related to life matter rapidly to the community. The Journal of Experimental Life Science (JELS) has objectives to published qualified articles on research’s results of Indonesian researchers in life science scope. JELS encompasses articles which discuss basic principles on natural phenomenon with cellular, molecular, and nanobiology approach.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia, Genetika dan Biologi Molekuler (Lain-Lain)
Articles 2 Documents
 1 
Search results for , issue "Vol. 15 No. 3 (2025)" : 2 Documents clear
The Physicochemical Properties of Butterfly Pea Flower (Clitoria ternatea L.) Extracts: Influence of Various Extraction Conditions Sitompul, Johannes Nathanael; Martati, Erryana
The Journal of Experimental Life Science Vol. 15 No. 3 (2025)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jels.2025.015.03.01

Abstract

Butterfly pea flowers (Clitoria ternatea L.) have health benefits because they contain phenolic compounds, flavonoids, and anthocyanins, which act as antioxidants. There are few comparative studies on how the brewing temperature of butterfly pea flowers (hot, room, and cold temperatures) affects the release of antioxidants and anthocyanins. This study examined the effect of brewing methods on the physicochemical characteristics of butterfly pea flower extract. A nested experimental design was used, with brewing time nested within each brewing method. The brewing methods studied were hot brewing (HB) at 70°C for 5 and 15 minutes, room temperature (RT) brewing at 25-27°C for 3 and 6 hours, and cold brewing (CB) at 5-7°C for 12 and 24 hours. The color, pH, total anthocyanin content, and antioxidant activity were measured for the extract. The data obtained were statistically analyzed using ANOVA and Tukey's advanced test. The results showed that the brewing method significantly affected antioxidant activity but did not affect the total anthocyanin content, pH, or color. Brewing duration significantly influences all parameters except the color parameter b*. The best treatment of brewing methods for butterfly pea flowers was hot brewing for 15 minutes by simple additive weighting (SAW) method. The phenolic, flavonoid, alkaloid, and coumarin component groups made up the phytochemical composition of the butterfly pea flower extract.
Optimising Natural Bait Selection for Sustainable Handline Fishing: Behavioural Phase Analysis of Juvenile Barramundi (Lates calcarifer) in Response to Bait Type and Body Size Septiyani, Anita; Fuad, Fuad; Wiadnya, Dewa Gede Raka; Nurdiani, Rahmi; Hariati, Anik Martinah
The Journal of Experimental Life Science Vol. 15 No. 3 (2025)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jels.2025.015.03.02

Abstract

Understanding the natural bait preference of predatory fish, such as barramundi, plays a crucial role in improving capture efficiency. This knowledge also supports sustainable fisheries by optimizing bait selection for handline fishing and reducing reef damage by active gear where barramundi species commonly live. This study examines the response of barramundi to various types of natural bait and investigates whether body size plays a significant role in this response. Predatory fish are divided into three different sizes (9, 13, and 15 cm total length), with each size having nine replicates. Fishing behavior and response to baits were divided into four phases: arousal, searching, finding, and uptake. Kinovea computer software (www.kinovea.org) was used to identify each phase with visual support from iVcam. The experiment was designed using a 54 L aquarium filled with saline water of 32 ppt. Data were analyzed using one-way ANOVA in SPSS version 26. When significant differences (p<0.05) were found, Tukey's post hoc test was performed. Bait from trash fish and shrimps did not show significant differences (p>0.05). Worms provided the fewest responses on times and behavior. Body size did not significantly affect behavioral responses or response times (p > 0.05). In conclusion, bait type significantly influenced barramundi's responses, with worms eliciting a significantly slower response compared to shrimp and trash fish, which were equally effective.

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