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INDONESIA
Jurnal Biogenerasi
Published by Universitas Cokroaminoto Palopo
ISSN : 25795163     EISSN : 25797085     DOI : -
Core Subject : Education,
Education Languange, Linguistic, Communication & Media Other
Biogenerasi focuses on the publication of the results of biology education,Biology learning model, Biology learning media, Biology Education Development, The article published on the internal and external academic community Universitas Cokroaminoto Palopo especially in Biology Education.
Arjuna Subject : Umum - Umum
Articles 979 Documents
 94   95   96   97   98 
Analisis Profil Keterampilan Proses Sains Murid Kelas XI Fase F pada Kegiatan Praktikum Biologi di SMA Pertiwi 1 Padang Nurul Izza; Rahmadhani Fitri
Jurnal Biogenerasi Vol. 11 No. 3 (2026): Juli - September 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/a4tz2j05

Abstract

Science Process Skills (KPS) are fundamental competencies in biology education that foster scientific thinking through practicum activities. However, school practicums often emphasize final outcomes rather than the scientific process, leaving students' KPS profiles insufficiently documented. This study aimed to examine the KPS profile of Grade XI students during biology practicum activities in the Phase F curriculum. Unlike previous studies that focused on selected KPS indicators or instructional interventions, this study provides a comprehensive profile across seven KPS indicators. A quantitative descriptive design was employed, involving 145 Grade XI students selected through purposive sampling from a population of 252 students during the 2025/2026 academic year. Data were collected through expert-validated observation sheets and student worksheets, then analyzed using descriptive statistics based on seven KPS indicators: observing, planning experiments, using tools and materials, applying concepts, classifying, interpreting data, and communicating. Most students which 111 (76.55%) achieved the Very Good KPS category, while 20 students (13.79%) were categorized as Good, 8 students (5.52%) as Fair, and 6 students (4.14%) as Poor. All seven KPS indicators fell within the Very Good category, with interpreting data achieving the highest score (95.00%), whereas classifying recorded the lowest score (77.76%). These findings indicate strong data analysis and evidence-based reasoning skills. This study provides a comprehensive, indicator-based KPS profile at the Phase F level, offering empirical evidence that process-oriented biology practicum activities effectively promote the development of students' scientific skills. However, the findings are limited to a single practicum topic, one school context, and seven of the ten existing KPS indicators.
Formulasi Dan Aktivitas Antibakteri Sediaan Face Spray Gel Ekstrak Etanol KulitMarkisa Ungu (Passiflora Edulis Sims.) Terhadap Propionibacterium Acnes SebelumDan Sesudah Cycling Test Romi Ramadiansyah; pintata sembiring; Firdaus Fahdi; Rika Puspita Sari
Jurnal Biogenerasi Vol. 11 No. 3 (2026): Juli - September 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/pgpr3s80

Abstract

Purple passion fruit peel (Passiflora edulis Sims.) is commonly discarded as waste, yet it contains secondary metabolites with potential to inhibit the growth of Propionibacterium acnes, the main bacterium responsible for Acne vulgaris. This study aimed to formulate the ethanolic extract of purple passion fruit peel into a face spray gel, evaluate its physical characteristics and stability, and examine its antibacterial activity before and after a cycling test. The simplicia was characterized for moisture content, drying loss, water- and ethanol-soluble extractive values, total ash, and acid-insoluble ash, followed by maceration extraction with 96% ethanol. The extract was phytochemically screened and formulated into four variants: F0 (base without extract), F1 (10%), F2 (15%), and F3 (20%). Physical evaluation covered organoleptic properties, homogeneity, pH, spreadability, adhesiveness, viscosity, and spray pattern, followed by stability testing at low, room, and high temperatures, centrifugation, and a seven-cycle cycling test. Antibacterial activity was assessed using the disc-diffusion method against P. acnes before and after the cycling test. The simplicia met quality requirements with 1.67% moisture content, 9.15% drying loss, 42.33% water-soluble extractive value, 69.31% ethanol-soluble extractive value, 4.04% total ash, and 0.80% acid-insoluble ash. Phytochemical screening revealed the presence of alkaloids, flavonoids, tannins, saponins, and steroids. All formulas met the requirements for pH, viscosity, adhesiveness, and homogeneity, although the spreadability of F2 and F3 exceeded the required range. Stability testing showed that F0, F1, and F2 were unstable under extreme conditions, whereas F3 remained stable at low and high temperatures, after centrifugation, and after the cycling test. The highest inhibition zone was obtained by F3, at 42.12±6.60 mm before and 15.17±2.35 mm after the cycling test, still exceeding the comparator control (5.23±1.50 mm). One-way ANOVA indicated a highly significant difference among formulas (p=0.000). The ethanolic extract of purple passion fruit peel can be formulated into a face spray gel with antibacterial activity against P. acnes, with F3 showing the best activity and stability despite a marked reduction in inhibition after the cycling test.
Evaluasi Daya Tahan Benih Ikan Patin Siam Terhadap Infeksi BakteriEdwardsiella Ictaluri dan Aeromonas Hydrophila Diah Artati; Mohammad Oman; Jadmiko Darmawan Widi Prasetiya; Evi Tahapari; Adam Robisalmi
Jurnal Biogenerasi Vol. 11 No. 3 (2026): Juli - September 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/y0k33r70

Abstract

Catfish is one of the fishery commodities that has important economic value in the aquaculture industry. However, the success of cultivation is often constrained by bacterial disease attacks that cause decreased productivity, high mortality, and economic losses. One of the main diseases that affect catfish is Enteric Septicemia of Catfish (ESC) and Motile Aeromonads Septicemia (MAS). This activity aims to evaluate the resistance of catfish to the bacteria Edwardsiella ictaluri and Aeromonas hydrophila. The method used was an experiment with the test treatment  of the bacteria Edwardsiella ictaluri and Aeromonas hydrophila on selected Siamese catfish and UPR Siamese catfish. Before the challenge test was carried out, an experiment was first carried out to determine the LD50 value in each bacteria. The parameters observed included clinical symptoms and mortality rates during maintenance. The observation data were tabulated using the Microsoft Excel 2017 program tool and analyzed descriptively.  The results of the study showed that the LD50 value of catfish infected with Edwardsiella ictaluri bacteria.obtained at a concentration of 1.2x108 CFU/mL, while in Aeromonas hydrophila bacteria  at a concentration of 1.8x109 CFU/mL, the selected Siamese catfish had better resistance to the bacterial pairing  of Edwardsiella ictaluri and Aeromonas hydrophila than the Siam catfish UPR.
Pembuatan Biopestisida Perawatan Berbasis Enam Bahan Utama Di Pt Taman Indah Lestari (Taman Simalem Resort) Beatreak; Widyanti Saragi; Binari Manurung
Jurnal Biogenerasi Vol. 11 No. 4 (2026): Volume 11 Nomor 4, 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/g1vy1849

Abstract

This study aims to examine the process of making a biopesticide treatment based on six main ingredients developed at PT. Taman Indah Lestari (Taman Simalem Resort). This biopesticide is studied as a pest control in an organic farming system and supports the concept of Integrated Pest Management (IPM). The research method is carried out through the extraction process of natural ingredients including rhizomes (turmeric, galangal, ginger), gambier, soursop leaves, spoon leaves, senduduk leaves, and BPCS formulation (bamboo soil, bitter leaf, eucalyptus, and lemongrass) using a water solvent with a ratio of 1:10 and a soaking time of 12–24 hours. The ingredients used contain secondary metabolites such as flavonoids, alkaloids, tannins, saponins, and essential oils that act as antimicrobials, insecticides, repellents, and antifeedants. The mechanism of action of the biopesticide includes disruption of microbial cell membranes, inhibition of insect metabolism and enzymes, and disruption of the nervous and respiratory systems of pests. The combination of ingredients provides a synergistic effect that is able to kill pests, thereby suppressing pest populations gradually and sustainably. Thus, this natural-based biopesticide treatment has the potential to be an effective and sustainable solution for pest control without causing negative impacts on the environment or human health.
ANALISA PERBANDINGAN KADAR LOGAM BERAT TIMBAL (PB) PADA SAYUR KANGKUNG (IPOMOEA AQUATICA) YANG DIJUAL DI PASAR TRADISIONAL KOTA BENGKULU Theofilo Bethrisdi; Yetri Valentina; Annisa Suciramadani; Serli Sofia; Abdul Rahman Singkam; Rita Rahmayanti
Jurnal Biogenerasi Vol. 11 No. 4 (2026): Volume 11 Nomor 4, 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/v1pjf081

Abstract

Penelitian ini dilakukan bertujuan untuk mengetahui kandungan logam berat timbal (Pb) pada kangkung (Ipomoea aquatica) yang dijual di Pasar Panorama dan Pasar Minggu Kota Bengkulu. Pengambilan sampel dilakukan pada empat lokasi, yaitu pasar bagian dalam dan pasar bagian luar, dengan tiga kali pengulangan pengujian pada waktu yang berbeda. Sampel yang diuji meliputi bagian daun, akar, dan batang kangkung menggunakan metode Spektrofotometer Serapan Atom (SSA/AAS) di Laboratorium Badan Perakitan dan Modernisasi Pertanian (BRMP) Kota Bengkulu. Hasil penelitian menunjukkan bahwa seluruh sampel kangkung tidak terdeteksi mengandung timbal (Pb) dengan hasil sebesar 0,00 ppm pada setiap pengujian. Hasil tersebut menunjukkan bahwa kandungan Pb pada kangkung masih berada di bawah ambang batas cemaran logam berat berdasarkan ketentuan BPOM Tahun 2022 sebesar 2 ppm sehingga kangkung yang dijual di Pasar Panorama dan Pasar Minggu masih aman untuk dikonsumsi masyarakat.
Potensi Isolat Jamur Sebagai Agen Biodegradasi Polietilena: Tinjauan Terhadap Metode Isolasi Dan Karakterisasi Annisya; Dezi Handayani
Jurnal Biogenerasi Vol. 11 No. 4 (2026): Volume 11 Nomor 4, 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/b2d1fg53

Abstract

This study aims to review the development of technologies and scientific evidence regarding the potential of fungal isolates as biodegradation agent for polyethylene (PE) plastic waste, with a particular focus on isolation sources, isolation methods, and characterization techniques used in recent research. A descriptive-analytical literature review approach was PubMed, Google Scholar, ScienceDirect, SciSpace, and SINTA, covering original and review articles published between 2015 and 2026 total of 10 articles. The review shows that fungi of the genus Aspergillus, including A. niger, A. clavatus, A. flavus, A. oryzae, A. tamarii, and A. ochraceopetaliformis, were the most frequently reported low-density polyethylene (LDPE) degraders, alongside other promising genera such as Cladosporium, Neopestalotiopsis, Colletotrichum, and Trichoderma. Most isolates were obtained from landfill soil and plastisphere biofilms, and were selected using Mineral Salt Medium enriched with LDPE as the sole carbon source. Degradation was mainly characterized through weight-loss measurement combined with FTIR and SEM, and in several studies also AFM, tensile strength testing, and GC-MS analysis. Weight loss ranged from 4.25% to 54.34% depending on the isolate, incubation duration (7-90 days), and plastic pretreatment, with Neopestalotiopsis phangngaensis achieving the highest reported degradation. These findings highlight the substantial but highly variable potential of fungal isolates for PE bioremediation and underline the need for standardized experimental protocols in future research
Peran Program Makan Bergizi Gratis (Mbg) Dalam Mendukung Pencapaian Sustainable Development Goals (SDGs) Di Indonesia Sapitri; Firstyana Dewi; Mutia Nurazizah; Nazwa Azqia; Rizqi Nur Rachmawati
Jurnal Biogenerasi Vol. 11 No. 4 (2026): Volume 11 Nomor 4, 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/p8b6m116

Abstract

The national policy known as the Free Nutritious Meal Program (MBG) is designed to accelerate sustainable development and improve the nutritional well-being of students in Indonesia. This study evaluates the tangible contributions of the program toward realizing the targets outlined in the Sustainable Development Goals (SDGs). A descriptive qualitative design utilizing a literature review was implemented, analyzing 17 sources published between 2018 and 2026, consisting of 11 scientific journal articles (8 national and 3 international), 4 academic books, and 2 official government documents. The review, conducted in July 2026, demonstrates that the MBG Program successfully advances several key pillars of the SDGs, notably SDG 2 (Zero Hunger), SDG 3 (Good Health and Well-Being), SDG 4 (Quality Education), SDG 8 (Decent Work and Economic Growth), SDG 10 (Reduced Inequalities), and SDG 17 (Partnerships for the Goals). The favorable impacts generated encompass elevated student health standards, enhanced academic focus and performance, broader accessibility to nutritious diets, localized economic stimulation through the engagement of farmers and MSMEs, and strengthened cross-sector coordination. Therefore, the MBG Program holds strong potential as a core policy instrument to optimize human resource quality and expedite the attainment of sustainable development agendas nationwide.
Uji Efektivitas Serum Anti Jerawat Dari Ekstrak Kulit Pepaya (Carica papaya L.) Terhadap Pertumbuhan Bakteri Cutibacterium acnes Dan Staphylococcus epidermidis Meidina Amanda; Rasyidah; Leni Widiarti
Jurnal Biogenerasi Vol. 11 No. 4 (2026): Volume 11 Nomor 4, 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/2sv1r204

Abstract

Staphylococcus epidermidis and Cutibacterium acnes are two bacteria that cause acne. Papaya peel extract (Carica papaya L.) is used to make anti-acne serum, which contains flavonoid compounds that can stop bacterial growth. The purpose of this study is to find out how well papaya peel extract (Carica papaya L.) inhibits the growth of Cutibacterium acnes and Staphylococcus epidermidis  bacteria. The antibacterial activity test was carried out using the disk diffusion technique with doses of 10%, 15%, 20%, and 25%. The results showed inhibition zone sizes of 16.1 mm, 18.8 mm, 21.4 mm, and 23.8 mm for Staphylococcus epidermidis . In addition, the inhibition zone sizes for Cutibacterium acnes were 15.1 mm, 16.3 mm, 17.8 mm, and 19.8 mm. The inhibition test results of the serum were 14.8 mm at a 10% concentration and 16.6 mm at a 15% concentration for S. epidermidis bacteria, and 12.2 mm at a 10% concentration and 13.2 mm at a 15% concentration for C. acnes bacteria. Analysis of Variance (ANOVA) with a significance value of p<0.05 was used to analyze these test results. This study shows the antibacterial effectiveness of acne serum made from papaya skin extract (Carica papaya L.) against Cutibacterium acnes and Staphylococcus epidermidis . The effective concentrations were 10% and 15%. In addition, the serum formulation met good requirements for homogeneity, stable viscosity, appropriate pH, and pleasant organoleptic quality.
Keanekaragaman Isolat Bakteri Rizosfer Tanaman Jagung (Zea mays L.) pada Tanah Masam di Kabupaten Maros Akhmad
Jurnal Biogenerasi Vol. 11 No. 4 (2026): Volume 11 Nomor 4, 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/zytxym09

Abstract

This study aimed to the diversity of rhizosphere bacterial isolates associated with maize (Zea mays L.) cultivated in acidic soils of Maros Regency, South Sulawesi Province. Acidic soils characterized by low pH and limited nutrients, but the ability of microorganisms can adapt according to their habitat. However, microorganisms, particularly rhizosphere bacteria, exhibit remarkable adaptability to such conditions. The research employed serial dilution and culture on Nutrient Agar (NA) media to isolate bacteria from rhizosphere soil samples. A total of 14 bacterial isolates were toward will different morphological characteristics. All bacterial isolates found are Gram-positive bacteria. The findings reveal a high diversity of rhizosphere bacterial isolates, suggesting their potential role in enhancing plant growth as biofertilizers. Further research is necessary to evaluate the physiological and molecular potential of these bacterial isolates in nitrogen fixation, phosphate solubilization, and the production of plant growth hormones. Additionally, exploring the potential application of these bacteria as biocontrol agents or biofertilizers could contribute to improving maize productivity in acidic soils

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