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BIO-EDU: Jurnal Pendidikan Biologi
Published by Universitas Timor
ISSN : -     EISSN : 25276999     DOI : -
Core Subject : Education, Social,
Education Social Sciences
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Articles 203 Documents
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Detection of Parasitic Contamination in Nile Tilapia (Oreochromis niloticus) and Fresh Spinach (Amaranthus hybridus) from Pramuka Market, Samarinda Tria Lestari Agus Salim; Febry Rahmadhani Hasibuan; Hasbiah; Nova Hariani; Muhammad Fahril Azhar; Irene Helena Sitorus; Erina Yulistin Sianipar; Jia Rahmawati
BIO-EDU: Jurnal Pendidikan Biologi Vol. 11 No. 2 (2026): BIOEDU: Jurnal Pendidikan Biologi - August 2026
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v11i2.11156

Abstract

This preliminary study aimed to detect parasitic contamination in Nile tilapia (Oreochromis niloticus) and fresh spinach (Amaranthus hybridus) sold at Pramuka Market, Samarinda, as part of an effort to assess biological food safety at the local market level. A descriptive observational design was employed. Samples comprised three Nile tilapia and 200 grams of spinach obtained from Pramuka Market, Samarinda. Ectoparasite examination in fish was conducted using the mucus-scraping method on the body surface and gills, while parasite egg examination in spinach was performed using the simple flotation method. Parasite identification was based on morphological characteristics observed under a light microscope. Results of the three Nile tilapia examined, one fish (33.3%) was found to harbor the ectoparasite Trichodina sp. on the gill mucus. In the 200‑gram spinach sample, a single egg presumed to be Fasciola sp. was detected, identified by its oval shape, yellowish‑brown color, and the presence of an operculum. This study detected indications of parasitic contamination in both fish and spinach samples from Pramuka Market, Samarinda, suggesting a potential biological risk in fresh food commodities sold at the market. However, due to the limited sample size and the absence of molecular confirmation, these results should be interpreted as indicative rather than conclusive and cannot be generalized. Further studies with larger sample sizes and molecular confirmation (e.g., polymerase chain reaction) are recommended to support more comprehensive food safety surveillance.
Oil Content and Relationships of Kepuh (Sterculia foetida L.) Seeds in Bali and Rote Ndao, East Nusa Tenggara Midel Delfi Wehelmina Ndolu; Antonius Solo
BIO-EDU: Jurnal Pendidikan Biologi Vol. 11 No. 2 (2026): BIOEDU: Jurnal Pendidikan Biologi - August 2026
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v11i2.11189

Abstract

Kepuh is a plant belonging to the Malvaceae family, widely distributed in tropical regions, including Indonesia. It is a perennial tree that grows in lowlands, particularly in arid areas. The tree is known by various local names, such as halumpang (Batak); kepuh and kepoh (Bali); and kepo and kelompan (East Nusa Tenggara). Kepuh trees are commonly found in sacred sites, such as cemeteries. Sterculia foetida L. (Kepuh) is a tropical plant with potential as a source of alternative vegetable oil. This study aimed to determine the oil content of Kepuh seeds and analyze the phylogenetic relationships among Kepuh populations from Badung Regency, Denpasar City, and Rote Regency (East Nusa Tenggara). The research was conducted from June 2025 to January 2026, employing field observations, measurements of morphological characteristics (stem, leaf, and seed), and oil content analysis via Soxhlet extraction. Morphological and oil content data were analyzed using cluster analysis with PAST software to generate a dendrogram of phylogenetic relationships. The results revealed variations in morphological characteristics and oil content across locations. Among the Bali samples, the highest oil content was found in Monang-Maning 1 (40.15%), while the lowest was in Serangan 3 (20.10%). For the Rote samples, the highest oil content was observed in Oemasi 2 (35.15%) and the lowest in Oemasi 4 (13.81%). Cluster analysis showed that the 50 Kepuh samples formed two main groups with a similarity index of 93.5%, indicating a high degree of morphological similarity among populations despite their different geographical origins. The findings demonstrate that variations in oil content are influenced by differences in morphological characteristics and environmental conditions, and they identify Kepuh populations with the potential for development as alternative vegetable oil sources.
Development of Interactive Multimedia Using Articulate Storyline 3 as a Learning Tool for Photosynthesis in High School Aulia Natasya; Usman Usman; Rifki Survani
BIO-EDU: Jurnal Pendidikan Biologi Vol. 11 No. 2 (2026): BIOEDU: Jurnal Pendidikan Biologi - August 2026
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v11i2.11213

Abstract

This study was prompted by the significant difficulties students face in understanding photosynthesis, due to limited learning resources and a lack of educational media capable of comprehensively illustrating the concept of photosynthesis. Based on a problem analysis and a needs assessment, the goal of this study is to develop an interactive multimedia application on the topic of photosynthesis using Articulate Storyline 3 and to analyze the results of the suitability test conducted by experts and users. This study employs the research and development (R&D) method based on the 4D model, which is limited to three phases: definition, design, and development. The research instruments include validation forms for subject matter experts, validation forms for media experts, and user feedback questionnaires. The results show that the interactive multimedia application developed received a acceptability score of 90.41% from subject matter experts and 95.65% from media experts, with both values falling into the “very acceptable” category. Feedback from teachers yielded a rating of 99.52%, while feedback from students in the limited trial was 86.65%, which also falls into the “very acceptable” category. Based on these results, the interactive multimedia program developed with Articulate Storyline 3 is rated as very well suited for use as a learning medium on the topic of photosynthesis.

Page 21 of 21 | Total Record : 203

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