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Jurnal Bio-Geo Material Dan Energi
Published by Universitas Jambi
ISSN : 28081560     EISSN : 28081404     DOI : https://garuda.kemdikbud.go.id/journal/view/22293#
Core Subject : Humanities, Science, Engineering,
Humanities Electrical & Electronics Engineering Energy
The journal publishes research papers in the all the fields of: Study of energy materials, sourced from plants (Bio-materials) Study of materials sourced from plants and animal including post harvest and food technology (Bio-materials) Study of materials sourced from mining materials (Geo-materials) renewable energy Policy fossil energy Social, economic and humanities studies related to bio-geo material
Arjuna Subject : Energi (semua kategori) - Energi (Lain-Lain)
Articles 59 Documents
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The Physicochemical and Sensory Properties of Gluten-Free Brownies Produced using Purple Yam Paste (Dioscorea alata) and Mocaf Ramadani, Suci Putri; Rahmawati, Medina Alia; Pratami, Tesy; Sulistiana, Ika Putri; Yusfi, Liza Aulia; Pamungkas, Putra; Nazarudin, Nazarudin; Ulyarti, Ulyarti
Jurnal Bio-Geo Material Dan Energi Vol. 5 No. 2 (2025): Journal of Bio-Geo Material and Energy (BiGME), September 2025
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/j-bigme.v5i2.48503

Abstract

The development of gluten-free brownies with purple yam paste and mocaf is an alternative for individuals who avoid consuming gluten. This study aims to determine the effect of the ratio of purple yam paste and mocaf on the characteristics of brownies. A Randomized Block Design was used with six treatment levels of purple yam paste to mocaf ratios: 0:100, 15:85, 30:70, 45:55, 60:40, and 75:25. Each treatment was replicated three times. The data obtained were analyzed using Analysis of Variance. If a significant effect was found, the analysis was continued using Duncan new Multiple Range Test (DnMRT) at the 5% level. The results showed that the ratio of purple yam paste to mocaf significantly affected the texture, color, and the hedonic organoleptic qualities of texture and color. The best treatment was the 75:25 ratio which resulted in a texture force of 105.5 N, water content of 20.16%, and color values of L* 37.1 a* 7.8 b* -2.9. Organoleptic scores for this treatment were: texture 3.48 (rather soft), color 4.40 (purple), taste 4.00 (like), overall acceptance 4.04 (like). However, texture and overall acceptance were lower than commercial brownies. The nutritional composition of this treatment included an ash content of 1.42%, protein content of 4.82%, fat content of 29.12%, and carbohydrate of 44.49%.
Tempoyak as a Typical Fermented Food from Jambi: A Study of the Integration of Tradition with Modern Food Technology Innovation Yusfi, Liza Aulia; Ramadani, Suci Putri; Kharisma, Yulia; Sulistiana, Ika Putri; Pratami, Tesy
Jurnal Bio-Geo Material Dan Energi Vol. 5 No. 2 (2025): Journal of Bio-Geo Material and Energy (BiGME), September 2025
Publisher : PUI BiGME Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/j-bigme.v5i2.48510

Abstract

Tempoyak, a traditional fermented food derived from durian (Durio zibethinus), which holds considerable cultural, nutritional, and health significance, and plays an important role in Jambi’s distinctive culinary heritage. This product is generally produced through spontaneous fermentation dominated by Lactic Acid Bacteria (LAB), which plays a crucial role in shaping its sensory attributes, texture, and antimicrobial properties. Nevertheless, such traditional fermentation practices often lead to inconsistent product quality due to variability in raw materials, fermentation conditions, and microbial composition. This review provides a comprehensive examination of the integration of modern food technologies aimed at improving the quality, safety, and functional potential of tempoyak, including molecular-based microbial identification, the use of starter cultures and standardized durian raw materials, as well as the application of innovative packaging technologies such as High Pressure Processing (HPP) and vacuum packaging. These approaches are anticipated to ensure more consistent and safe production of tempoyak, while simultaneously enhancing its functional and economic value, thereby reinforcing its recognition as a heritage food with global market potential.
Identification of the Process and Characteristics of Jackfruit Chips in Tambang District Ningsih, Arum Rovarti; Novianti, Nadya; Nasution, Addiena Syahvina; Masyitah; Ihsan, Fikratul; Endyra, Fadlila
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 1 (2026): Vol. 6 No. 1 (2026): Journal of Bio-Geo Material and Energy (BiGME), February 2
Publisher : PUI BiGME Universitas Jambi

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Abstract

Jackfruit chips are a promising product choice because, in addition to their relatively easy production process and low raw material costs, they can also be sold at affordable prices. However, the biggest challenge for MSMEs is maintaining consistent product quality to meet consumer expectations and maintaining competitiveness in an increasingly competitive market. This research will be conducted in Tambang District, Kampar Regency, Riau Province. Samples will be taken from three jackfruit chip MSMEs in Tambang Subdistrict, Kampar Regency, namely Usaha Baru Ibu, Sinar Hidayah, and Restu. Sample testing will be carried out at the Riau University Agricultural Product Analysis Laboratory, the Andalas University Instrumentation Laboratory, and the Pekanbaru Goods Quality Testing and Certification Technical Implementation Unit. The observation of jackfruit chip quality based on SNI 01-4269-1996 was conducted at Sinar Hidayah SME, Usaha Baru Ibu SME, and Restu SME. The parameters observed were moisture content, ash content, fat content, texture of jackfruit chips, and descriptive test. The results of identifying the processing and quality characteristics of better jackfruit chips were obtained by Restu MSME with a frying process at a temperature of 97˚C, vacuum pressure of 75 cmHg for 3 hours, resulting in a moisture content of 5.32%, ash content of 2.13%, fat content of 11.14%, hardness test of 114.70 N/cm2, and a descriptive test of 4.65.
Detection of Phenolic Compounds in Various Point Sources in Aba River, Nigeria Okwunodulu, Felicia Uchechukwu; Imo, David Ugwo
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 1 (2026): Vol. 6 No. 1 (2026): Journal of Bio-Geo Material and Energy (BiGME), February 2
Publisher : PUI BiGME Universitas Jambi

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Abstract

Water is very important for all living organisms on earth and most of these waters in Nigeria are being polluted on a daily basis including surface water due to too much unregulated anthropogenic activities. Phenolic compounds are among the chemicals of major concern because of their persistent tendency in the environment and toxicity. The aim of this work is to detect phenolic compounds in various point sources in Aba river using GC/MS analysis. Based on the results, the water is acidic, pH ranged from 5.48 - 5.90. Thirty-two phenolic compounds were detected in all the samples although three same compounds were detected in samples 1 and 2, in other words twenty-nine different phenolic compounds were detected with their percentages ranging from 0.131-37.266. Some of these phenolic compounds are emanated from agricultural practices, effluents from pharmaceuticals, personal care products, foods, chemical, agro-chemicals industries and are very toxic therefore, this calls for a concern since their levels were above both USEPA and European Union standards
Influence of Mass Variation of Green-Synthesized CoFe2O4/Cdots Catalyst on the Photocatalytic Degradation of Methylene Blue Through Initial Adsorption Mechanism Zalukhu, Aldwin; Deswardani, Frastica; Suharyadi, Edi; Utami, Ranti Widia; Istiqomah, Nurul Imani; Mahardhika, Larrisa Jestha; Azzahro, Siti Fatimah; Altop, Dapfa Farrizo; Oktaviani, Nada
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 1 (2026): Vol. 6 No. 1 (2026): Journal of Bio-Geo Material and Energy (BiGME), February 2
Publisher : PUI BiGME Universitas Jambi

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Abstract

This study aimed to synthesize and evaluate the photocatalytic performance of CoFe₂O₄/Cdots nanocomposites prepared via green synthesis method using Moringa oleifera leaf extract and watermelon rind waste as eco-friendly precursors. The synthesis involved a co-precipitation process for CoFe₂O₄ formation and a hydrothermal route to produced Cdots, followed by composite fabrication. The materials were characterized using XRD, UV-Vis Spectrophotometer, and VSM analyses to determine their crystalline structure, optical, and magnetic properties. The results showed that the incorporation of Cdots increased the optical band gap (3.15 eV) compared to pure CoFe₂O₄ (2.64 eV) and improved soft magnetic behavior. Photocatalytic tests under UV irradiation using Methylene Blue as a model pollutant revealed a degradation efficiency of 91.9% for CoFe₂O₄/Cdots at an optimum catalyst mass of 0.07 gr, significantly higher than 60,8% achieved by pure CoFe₂O₄. The enhanced performance is attributed to the synergistic interaction between CoFe₂O₄ and Cdots, which promotes charge separation, initial adsorption, and reactive radical generation. These findings indicate that the CoFe₂O₄/Cdots nanocomposite is a promising eco-friendly photocatalyst for wastewater treatment applications.
Green Synthesis of Iron Oxide Nanoparticles Using Suji Leaf (Pleomele Angustifolia) Extract based on Batanghari River Iron Sands Malemna, Ade; Maulana, Lucky Zaehir; Deswardani, Frastica; Anggraini, Rista Mutia; Pujaningsih, Febri Berthalita; Afrianto, Muhammad Ficky; Sarip, Rozie
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 1 (2026): Vol. 6 No. 1 (2026): Journal of Bio-Geo Material and Energy (BiGME), February 2
Publisher : PUI BiGME Universitas Jambi

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Abstract

Fe₃O₄ nanoparticles were synthesized via a green route using Pleomele angustifolia leaf extract as a bio-reducing and capping agent. XRD analysis confirmed the structure of pure cubic spinel magnetite phase with nanoscale crystallite sizes, while slight lattice variations indicate surface interactions with phytochemicals. SEM images revealed quasi-spherical nanoparticles with average particle sizes of 53–63 nm, where increasing extract concentration reduced agglomeration and improved dispersion. FTIR spectra showed characteristic Fe–O vibrations together with hydroxyl, carbonyl, and aliphatic functional groups, confirming effective surface functionalization by plant-derived compounds. These results demonstrate that Pleomele angustifolia extract regulates nucleation, growth, and surface chemistry during Fe₃O₄ nanoparticle synthesis, highlighting its potential as a sustainable synthesis route for magnetic nanomaterials.
Characteristics of Lignin from Solid Waste Empty Palm Fruit Bunches (EPFB) using the Organosolv Method Pramana, Angga; Zalfiatri, Yelmira; Irawan, Wawan; Rovarti Ningsih, Arum; Gunawan, Chandra; Putri, Vivin Jenika; Rahmah, Anania
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 1 (2026): Vol. 6 No. 1 (2026): Journal of Bio-Geo Material and Energy (BiGME), February 2
Publisher : PUI BiGME Universitas Jambi

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Abstract

Oil palm empty fruit bunches are solid waste from the palm oil processing process that contains a significant amount of lignin and cellulose. Oil palm empty fruit bunches are widely found in Indonesia, especially in Riau Province. The processing of oil palm empty fruit bunches has not been effectively utilized. Therefore, the author isolated cellulose from oil palm empty fruit bunches using the organosolv method. The organosolv method is a type of isolation method that is environmentally safe than the kraft process, as it employs solvents in the form of organic chemicals, such as formic acid and acetic acid. This research was conducted by varying the ratio of the solvent solution using acetic acid and formic acid. Various solutions were employed, namely P1=20 ml formic acid+140 ml acetic acid, P2=40 ml formic acid+120 ml acetic acid, P3=60 ml formic acid+100 ml acetic acid, P4 = 80 ml formic acid+80 ml acetic acid, P5=160 ml formic acid, and P6=160 ml acetic acid. The best results were obtained in the P2 treatment with a variation of 40 ml formic acid + 120 ml acetic acid and obtained a high level of yield, namely in the P2 treatment it was 56.85%, the water content was 4.70%, the ash content was 4.84%, the acidity level (pH) was 4.67 and FTIR test results show wave peaks in treatments P3 and P6 28 waves
FTIR Analysis of ZnO-Functionalized Activated Carbon Derived from Oil Palm Empty Fruit Bunches for Potential Photocatalytic Applications Lestari, Devi; Masriah, Imas; Hasibuan, Adelia Yesya Putri; Pratiwi, Pina Budiarti
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 1 (2026): Vol. 6 No. 1 (2026): Journal of Bio-Geo Material and Energy (BiGME), February 2
Publisher : PUI BiGME Universitas Jambi

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Abstract

This study investigates the surface chemical characteristics of ZnO-functionalized activated carbon (AC) derived from oil palm empty fruit bunches (OPEFB) using Fourier Transform Infrared (FTIR) spectroscopy. Activated carbon was prepared through carbonization at 400 °C followed by chemical activation using KOH. ZnO functionalization was performed via the sol–gel method with a nominal ZnO loading of 10 wt% relative to AC. FTIR analysis revealed dominant absorption bands corresponding to O–H stretching (~3430 cm⁻¹), C=O stretching (~1630 cm⁻¹), and C–O vibrations (~1050–1100 cm⁻¹), indicating the presence of oxygen-containing surface functional groups. The appearance of a characteristic Zn–O vibrational band in the 450–600 cm⁻¹ region confirmed the incorporation of ZnO within the composite structure. Minor peak shifts and variations in band intensity observed after ZnO modification suggest changes in the local chemical environment and possible interactions between ZnO nanoparticles and oxygen-containing functional groups. However, FTIR analysis alone does not provide definitive confirmation of specific interfacial bonding configurations. The results indicate that KOH activation preserved reactive oxygenated functionalities that remained stable after ZnO incorporation. The coexistence of porous AC characteristics and ZnO-associated vibrational features suggests that the synthesized AC/ZnO composite possesses surface chemical properties relevant for adsorption-assisted photocatalytic applications. This work demonstrates the potential valorization of OPEFB biomass into functional carbon-based hybrid materials.
Impact of Temperature Variation on Biodiesel Yield and Biodiesel Quality from Waste Cooking Oil Catalyzed by Sulfonated Rubber Seed Shell Activated Carbon Meiyola, Nada Karima; Suryadri, Hadistya; Heraningsih , Sarah Fiebrina
Jurnal Bio-Geo Material Dan Energi Vol. 6 No. 1 (2026): Vol. 6 No. 1 (2026): Journal of Bio-Geo Material and Energy (BiGME), February 2
Publisher : PUI BiGME Universitas Jambi

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Abstract

The energy crisis and environmental issues have increased interest in biodiesel as a sustainable fuel. This study examined the effect of reaction temperatures, namely 50°C, 55°C, 60°C, 65°C, and 70°C on the yield and quality of biodiesel produced from a simultaneous esterification transesterification reaction using a 2 %wt catalyst and a mass ratio of methanol to oil, 9:1 for 1 hour. The results showed that temperature has a crucial role in the yield and quality of the resulting biodiesel. The highest yield is 72.62%, was achieved at a temperature of 65°C, producing biodiesel that suitable to SNI 7182:2015 with a density of 875.60 kg/m³, a viscosity of 2.86 cSt, and an acid number of 0.0065 mg-KOH/g. Temperatures above 65°C decreased the yield and quality due to methanol evaporation and incomplete conversion.

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