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All Journal Food ScienTech Journal Journal of Clean Technology
Kakalia Putri Auralita
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Engineering Immunology & microbiology

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Zero Waste Education Organic Waste Treatment for Students of SD N Petompon 3 Irene Nindita Pradnya; Maulida Zakia; Zuhriyan Ash Shiddieqy Bahlawan; Kakalia Putri Auralita; Achmad Wikandaru; Daffa Nur Muhammad
Journal of Clean Technology Vol. 1 No. 2 (2024): August 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/joct.v1i2.13016

Abstract

Improper waste management at SDN Petompon 3 Semarang has led to inadequate sanitation and a lack of environmental awareness among students. This community service initiative aimed to address these issues by educating 5th and 6th-grade students on organic waste processing through the utilization of Black Soldier Fly (BSF) larvae. The program introduced a hands-on approach where students learned to sort, manage, and convert organic waste into value-added products such as animal feed and organic fertilizer. Additionally, the program incorporated entrepreneurship training, equipping students with basic skills in packaging, branding, and marketing to promote sustainable small-scale enterprises. The activities included stakeholder coordination, infrastructure preparation, environmental education, and product processing workshops. Results showed improved student participation, increased environmental knowledge, and measurable growth in maggot biomass and waste decomposition rates over 30 days. This integrated program not only enhanced environmental cleanliness at the school but also fostered early environmental stewardship and entrepreneurial skills among students, contributing to sustainable waste management and community empowerment.
Physicochemical Characteristics of Ketapang (Terminalia catappa L.) Seed–Fortified Yogurt Astrilia Damayanti; Zuhriyan Ash Shiddieqy Bahlawan; Ima Winaningsih; Fitri Nur Kayati; Yessy Anna Pratiwi; Kakalia Putri Auralita; Anggun Enjelita; Calista Arsanti Ramadhani; Harsya Grezdipa Pratama; Ayasha Maharani; Muhammad Fadhlan Dzikri
Food ScienTech Journal Vol 8, No 1 (2026)
Publisher : University of Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/fsj.v8i1.35989

Abstract

Ketapang (Terminalia catappa L.) seeds are rich in protein and unsaturated fatty acids, making them a promising ingredient for fortifying functional dairy products. This study evaluated the effects of Ketapang seed fortification and starter culture concentrations on the physicochemical characteristics of yogurt. Yogurt was prepared with Ketapang seed milk at 0%, 10%, 15%, and 20% (v/v) and starter culture at 5%, 10%, 15%, and 20% (v/v), then stored at 4 ± 1 °C for 24 h to stabilize the gel structure before analysis. Protein, pH, syneresis, viscosity, and total solids were analyzed using standard methods, with data evaluated by two-way ANOVA and Tukey’s test (p < 0.01). Results showed that fortification significantly improved all parameters: protein increased from 5.67% (control) to 8.54% (20% seeds, 20% starter), total solids rose from 2.71% to 5.59%, viscosity increased nearly four-fold from 40.95 to 164.02 mPa·s, pH declined from 4.41 to 3.80, and syneresis decreased from 0.546 g/g to 0.109 g/g. The synergistic interaction between Ketapang proteins and lactic acid bacteria enhanced the composition, gel structure, and water-holding capacity of yogurt, resulting in firmer, more stable, and nutritionally enriched products. These findings highlight Ketapang seeds as a novel fortification material for the development of high-protein functional dairy products. This research supports Sustainable Development Goals (SDGs 2 and 3) and the national Asta Cita mission by optimizing underutilized local resources to enhance public nutrition.
Co-Authors Achmad Wikandaru Anggun Enjelita Astrilia Damayanti Ayasha Maharani Bahlawan, Zuhriyan Ash Shiddieqy Calista Arsanti Ramadhani Daffa Nur Muhammad Fitri Nur Kayati Harsya Grezdipa Pratama Ima Winaningsih Irene Nindita Pradnya Maulida Zakia Muhammad Fadhlan Dzikri Yessy Anna Pratiwi