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Biodidaktika : Jurnal Biologi dan Pembelajarannya
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 1907087X     EISSN : 25274562     DOI : 10.30870/biodidaktika.v18i1.17311
Core Subject : Science, Education, Social,
Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences Other
Biodidaktika : Jurnal Biologi dan Pembelajarannya is a peer-reviewed journal that covers research and review articles in Biology and Biology Education.
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 173 Documents
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Antibacterial Activity of Soursop (Annona muricata L.) Leaf and Fruit Extracts Against Streptococcus mutans Putri, Diva Azzahra Rizqika; Zuraidah, Zuraidah; Amin, Nurdin
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 1 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/biodidaktika.v20i1.29158

Abstract

Dental caries is a common oral health problem, with Streptococcus mutans playing a key role. This bacterium metabolizes sucrose into lactic acid, leading to tooth enamel demineralization and cavities. Soursop (Annona muricata L.) plants, known for their antibacterial bioactive compounds, are often used traditionally to treat microbial infections. This study investigated the inhibitory effects of soursop leaf and fruit extracts on Streptococcus mutans growth using a completely randomized experimental design and the Kirby-Bauer disc diffusion method. Results showed that leaf and fruit extracts at 100% concentration exhibited the strongest inhibition (14.86 mm and 14.83 mm, respectively). The weakest inhibition was observed at 40% concentration (10.60 mm for leaf and 10.13 mm for fruit extracts). However, the average inhibition diameters for both soursop extracts were smaller than the positive control’s average of 27.80 mm. Based on these findings, it can be concluded that Soursop leaf and fruit extracts (Annona muricata L.) possess antibacterial activity against Streptococcus mutans.
The Role of Traditional Home Gardens in Cultural Rituals and Heritage Preservation: An Ethnobotanical Study in Pujon Sub-district, Malang Regency, Indonesia Agustina, Tika Putri; Rukmana, Musma; Hasmiati, Hasmiati; Kawuwung, Femmy Rose
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 1 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/biodidaktika.v20i1.28628

Abstract

This study explores the critical role of home gardens in traditional rituals in Pujon District, Malang Regency. Sustained by long standing customs, home gardens are significant social, cultural, and economic importance, especially concerning local customs. The research aims to identify the plant species cultivated in these gardens, their functions in ritual ceremonies. Adopting a qualittaive researched framework this study utilized a descriptive approach involving field observations and in-depth interviews. Key informants, incorporating garden owners, customary elders, and community leaders, were purposively selected. The results show that home gardens in Pujon Sub-district function as crucial green spaces and sources of food while also serving as focal points for social and cultural activities. Plants such as banana (Musa x paradisiaca), coconut (Cocos nucifera), jasmine (Jasminum sambac), and rose (Rosa sp.) are necessary to numerous ceremonies and traditional rituals. The preservation of knowledge regarding these plants is maintained through storytelling and daily activities, highlighting their role in sustaining local culture and biodiversity. As a result, home gardens play a crucial role in encouraging cultural identity and ecological balance in the region.
Validity of QR Code e-Module as A Media for Ecosystem Learning Romadhoni, Dwi Wulan; Wulandari, Tabitha Sri Hartati
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 1 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/biodidaktika.v20i1.29001

Abstract

With the rapid technological growth, education must participate in using technology as an innovation in learning. The purpose of this study is to know the validity of QR code e-Module as a media for ecosystem learning This research is development research using Addie models. The model consists of the five stages of analysis, design, development, implementation, and evaluation. But in this research only to the stage of development. The study was carried out in the month of March-May 2024. The data used in this study is data on the validity of the QR code e-Module test. The instruments used are questionnaires, the data used in the study at analysis using descriptive statistics in the form of presentation. The validity of the materials by 89.17%, the validity of the median expert by 83.33%, and the validity of the linguist by 88.71% valid criteria. Thus concludes that the e-Module based on the QR code developed is declared valid with an average of 87.07%.
Examining NDVI Trends in Serang City to Assess Vegetation Changes between 2019 and 2023 Nihan, Aditya Rahman Kintu; Rachmawati, Dian; Firdaus, Najmi
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 1 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/biodidaktika.v20i1.26420

Abstract

This study examines changes in the Normalised Difference Vegetation Index (NDVI) for Serang City between 2019 and 2023 to quantify vegetation density and health in the face of urbanization. Using Sentinel-2 satellite data and GIS analysis, it investigates how urban development, climate change, and land use influence plant cover. The findings indicate a substantial decrease in high vegetation from 13,089.791 hectares in 2019 to 12,296.742 hectares in 2023, accompanied by increases in tiny vegetation and aquatic zones. Statistical experiments show that urban expansion is a significant cause of vegetation loss, with climate changes impacting sparsely vegetated areas. This study emphasizes the dynamic interplay between urban expansion and climate conditions in generating vegetation trends, providing essential information for urban planners and politicians. The results demonstrate the necessity for focused reforestation and sustainable urban development to save green places, enhance environmental quality, and alleviate the adverse effects of urbanization. Immediate urban planning initiatives are recommended to combat vegetation loss, promote sustainable development, and increase resistance to environmental change.
The Validity Test of Flipbook Learning Media in A Genetics Course Based on Local Wisdom in North Maluku Roini, Chumidach; Suparman, Suparman; Rasyid, Magfirah; Herliani, Herliani; Sabtu, Rasmita; Ilmi, Zarobatul Lil
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 1 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/biodidaktika.v20i1.29331

Abstract

Learning media plays a role in generating enthusiasm and interest in learning for students, so an interesting learning media is needed that can help students in the learning process. Flipbook is one of the interactive learning media that combines visual representation, narration, and interactive simulation that is expected to help students. The purpose of this study is to see the validity of the flipbook for genetics course produced from local species data of North Maluku. The study is a research and development study (Research and Development) which refers to the Thiagarajan 1974 development model, namely 4D (Define, Design, Develop, and Disseminate). The results showed that the flipbook learning media was very valid for use in learning with a percentage of 92% from material, media and language experts in this case by lecturers, and 98% from material, media and language experts in this case by teachers. The level of practicality of the learning media flipbook has a percentage of 91% obtained from student responses. This means that flipbook learning media is very valid and very suitable for use
Isolation of Chitinolytic Bacteria from Shrimp Waste as a Control of Aedes aegypti Instar III Mosquito Larvae Pardosi, Lukas
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 2 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/biodidaktika.v20i2.25041

Abstract

Insect-borne diseases remain a serious health problem in Indonesia, especially Dengue Hemorrhagic Fever (DHF), which can cause mass mortality in developing countries. Biological control, such as using chitinolytic bacteria, is needed to contain the spread of this disease. The methods used include sampling and preparation of shrimp waste, manufacture of chitin agar media, isolation of chitinolytic bacteria, macroscopic and biochemical characterization, maintenance of Aedes aegypti larvae, observation of effects on mosquito larvae, and data analysis. The results obtained there are six isolates that have different morphological characteristics: IS1 to IS6 isolates have a round shape and milky white color, with wavy edges on IS1, IS2, and IS4, and flattened on other isolates. At elevation, IS1 and IS5 are flat, while the other four isolates are convex. Microscopic tests found 2 isolates contained Gram-negative and 4 isolates Gram-positive. The biochemical test of all six isolates was positive. Effect of administration of the concentration that caused the highest time of death of larvae on the fourth day, with a concentration of 15% and an average number of deaths of 4.66. Based on the results of the study, it can be concluded that six isolates of chitinolytic bacteria were successfully isolated, with diverse morphological characteristics, including differences in shape and color. Microscopic tests identified two isolates as Gram-negative and four isolates as Gram-positive. The biochemical test results showed that the six isolates were positive in the catalase, Simmons Citrate Agar (SCA), and Triple Sugar Iron Agar (TSIA) tests. Concentration administration affected the time of larval death, with a concentration of 15% showing the highest mortality rate on the fourth day, with an average death toll of 4.66
The Potential of Sawarna Beach as an Educational-Ecotourism Area and Its Utilisation in Biology Education: A Systematic Review Rifqiawati, Ika; Aisya, Putri Nurul
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 2 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/biodidaktika.v20i2.30563

Abstract

Tourism is very important for the economy because of its natural beauty and cultural diversity, so this sector must be developed. Tourism is one of the most profitable branches of the economy and has great potential to become a growing asset that can increase national income. One example is Sawarna Beach, located in Sawarna Village, Bayah District, Lebak Regency, Banten Province, which has excellent potential for development, especially in terms of eco-tourism. This study aims to delve deeper into information related to the potential of Sawarna Beach from various aspects regarding how Sawarna Beach can become an Edu-Eco-Tourism location and its utilisation in biology education. This study employs a qualitative approach using a systematic review to synthesise (summarise) the results of qualitative descriptive research. The findings of this literature review indicate that Sawarna Beach possesses diverse tourism potential and is suitable for development as an Edu-Ecotourism site prioritising ecotourism principles, particularly in educating and empowering local communities. The natural potential of Sawarna Beach can be developed through biology learning themes such as Biodiversity, Ecosystem Interactions and Their Roles, and Environmental Change and Conservation. Educational products that can be developed from the natural potential include books, locally-based teaching modules, worksheets, observation guides, posters, and others
Teratogenic Test of Jamblang Fruit Extract (Syzygium cumini) on the Fetus Mice (Mus musculus) Dewi, Cut Nur Kemala; Sari, Ayu Nirmala; Hayatillah, Raudhah
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 2 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/biodidaktika.v20i2.29255

Abstract

Jamblang fruit (Syzygium cumini) is used to treat diabetes mellitus, pain, inflammation, ulcers, and diarrhea, and in recent research, it has been proven to be used as a chemopreventive, radioprotective, and antineoplastic. Jamblang fruit contains several ingredients, namely: alkaloids, saponins, tannins, triterpenoids, flavonoids, polyphenols, and buchard. However, it is necessary to ensure whether jamun is safe for consumption by pregnant women, and a teratogenic test is needed. This research aims to determine the effect of jamblang fruit extract on maternal weight, number of fetuses, fetal length, fetal weight, hemorrhage, and morphological abnormalities in the fetus. This research is included in quantitative research using experimental methods with a Completely Randomized Design (CRD), which consists of 4 treatments and 5 replications. The experimental animals used were 20 female mice (Mus musculus) of the Balb/C strain, healthy mice aged 2 months, weighing 27-30 grams, and the mice were mature and ready to mate. Mice were divided into 4 treatment groups, namely the control group, the 100 mg/kgBB dose group, the 200 mg/kgBB dose group, and the 300 mg/kgBB dose group. Treatment doses of jamun fruit extract 70% ethanol are given on days 6 to 17 of pregnancy. Data analysis using SPSS showed that ethanol 70 % extract of jamblang fruit had no effect on maternal weight and fetal weight in mice (>0.05), but did affect fetal length, number of fetuses, hemorrhage, and morphological abnormalities in the form of open eyelids (p<0.05). Based on the research results, it can be concluded that administration of jamblang fruit ethanol extract can reduce fetal length and the number of fetuses. The 200 mg/kgBB and 300 mg/kgBB dose groups are doses that can cause teratogenic effects such as hemorrhage and open eyelids.
Diversity of Echinoderms on the Coast of Kuala Langsa Tasya, Jihan Nabila; Indriaty, Indriaty; Jayanthi, Sri
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 2 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/biodidaktika.v20i2.31705

Abstract

Kuala Langsa is one of the coastal areas in Aceh known for its high biodiversity, including animals from the phylum Echinodermata. This study aims to identify Echinodermata species and analyze their populations about the physical and chemical environmental factors of the coastal waters. The research was conducted using a quantitative descriptive method in December 2024 along the coast of Kuala Langsa, Langsa City, with sampling carried out at three transects during low tide. The results showed that five species of Echinodermata from three classes were found. The diversity index was 2.190, indicating a moderate category; the evenness index was 0.830, classified as stable; and the dominance index was 0.358, indicating a low level of dominance. The highest abundance was recorded for Holothuria scabra, while Astropecten cingulatus had the lowest abundance and frequency of occurrence (66.7%). The other four species had a frequency of 100%. The highest similarity index (1) was found between Station II and Station III, while the lowest (0.88) was found between Station I and II and between Station I and Station III. Environmental parameters at the study site showed a temperature range of 29–33°C, pH ranging from 7.2 to 8.5, and salinity ranging from 20–27%. These findings provide important baseline data to support future biodiversity monitoring and highlight the ecological significance of the Kuala Langsa coastal ecosystem.
Morphological Studies and Identification of DSE Fungi and Their Role in Sustainable Agriculture: A Systematic Review Aulia, Nabila Nurul; Meiza, Aisyifa Nur; Sari, Indah Juwita; Khastini, Rida Oktorida; Nafsahan, Hurry Khastina
Biodidaktika : Jurnal Biologi dan Pembelajarannya Vol 20, No 2 (2025)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/biodidaktika.v20i2.30516

Abstract

The use of endophytic fungi as producers of bioactive compounds is popular among researchers today. One example of endophytic fungi that is currently widely studied regarding its role is DSE fungi. Determining the morphological structure and identification of DSE fungus as well as its function as a sustainable agricultural agent, are the goals of this study. Several scientific papers that are pertinent to the subject matter are gathered, chosen, and reviewed as part of the systematic literature review research methodology. Developing a research question, looking through pertinent literature, choosing studies with eligibility requirements and quality evaluation, and extracting data were the first stages of the study. Based on the data analysis, DSE fungi have the ability to increase plant productivity and resistance to biotic and abiotic stress, as well as their contribution to phytostabilization and nutrient accumulation. In addition, DSE fungi can produce beneficial secondary metabolites, such as growth hormones and bioactive compounds, which support plant health. The use of DSE fungi also has the potential to support plant growth in sustainable agriculture

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