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All Journal Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Indonesian Physical Review
Akmal, Raihan Muhammad
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Agriculture, Biological Sciences & Forestry Education Physics

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EDIBLE SPRAY COATING WITH WATER HYACINTH CELLULOSE AND COCONUT HUSK-BASED CARBON BLACK FOR FOOD APPLICATIONS Azahra, Annisa Nur; Akmal, Raihan Muhammad; Nabila, Pristy Tasya; Bayah, Salsabilla Permata; Fauji, Muhamad Iqbal; Sari, Yessie Widya
Indonesian Physical Review Vol. 8 No. 1 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i1.390

Abstract

Food waste and microbial contamination have led to an annual increase in foodborne diseases. One potential solution is the application of an edible spray coating (ESC) as a bioplastic, incorporating antibacterial agents. The spray technique is considered most effective due to its ease of application and controllable thickness. This research evaluates carbon black (CB) derived from coconut husk waste as an antibacterial agent in ESC. Coconut husk was selected because it contains up to 54% lignin. The ESC was formulated using a mixture of hydroxypropyl methylcellulose (HPMC), k-carrageenan, water hyacinth cellulose, and glycerol. Additionally, other antibacterial agents such as silver and chitosan were included as positive controls. The CB was produced through pyrolysis of coconut husk at 700 °C, with nitrogen gas added at a heating rate of 5 °C/min. The water hyacinth cellulose was extracted using a chemical method. In this study, ten ESC formulations were tested with varying concentrations of silver, chitosan, and CB. The resulting ESC viscosities ranged from 16.8 to 46.9 cP. Antimicrobial activity against E. coli and S. aureus demonstrated that ESC with 1.5% w/v CB exhibited antibacterial activity with inhibition zones of (2.2±0.3) mm and (32±3) mm, respectively. The application of ESC on cherry tomatoes and strawberries showed that samples containing CB experienced a lower weight loss over time. This indicates the potential of CB in preventing microbial contamination.
Pemberdayaan Masyarakat Desa Cibitung Wetan Menuju Pertanian dan Peternakan Berkelanjutan Berbasis Bioenergi Limbah Organik Sari, Yessie Widya; Maddu, Akhiruddin; Mardiana, Rina; Bahtiar, Abdurrahman; Berlianingtyas, Dani Indrawati; Santoso, Zahra Firda; Putri, Desi Alifia; Purawiardi, Ibrahim; Zuldian, Prima; Hidayah, Mohamad Ikbal; Akmal, Raihan Muhammad; Saputra, Angga
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 12 No. 1 (2026): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.12.1.187-198

Abstract

The agribusiness sector and livestock are among the key contributors to waste production, which is often dumped indiscriminately, resulting in environmental pollution. Organic wastes, such as livestock manure, are also considered to have a great potential for producing energy, including biogas, which is considered a renewable source of energy. Cibitung Wetan Village, Pamijahan District, is a village that has a high potential for agricultural and livestock development, which is very suitable for biogas production and utilization. A community engagement program was conducted by a team of members from the Department of Physics and the Department of Communication and Community Development Sciences, IPB University, to target the community of Cibitung Wetan Village, Pamijahan District, particularly sheep farmers. The main goal of this program is to promote agricultural and livestock development sustainably to increase production, reducing greenhouse gases emitted to the atmosphere. The implementation of this community engagement program was conducted through four stages, including socialization, education and training on digester construction, application of digester technology, and mentoring and evaluation. In this program, a team of members from IPB University worked together with Taruna Tani Transfarmers Farmer Group, Cibitung Wetan Village, on the construction of the digester. The training activities also revealed an increase of 49% in the knowledge and attitude of the participants, as evaluated through pre-test and post-test methods. Intensive mentoring also improved the partners’ skills in the technical areas of installation, monitoring, and maintenance of the digester system. This program shows that the use of livestock and agricultural wastes through the application of the digester system can be an alternative route to self-sufficiency in energy production, can create more added value to the wastes, and can contribute to the development of community-based sustainable agriculture and livestock production systems.
Co-Authors Abdurrahman Bahtiar Akhiruddin Maddu Angga Saputra Azahra, Annisa Nur Bayah, Salsabilla Permata Berlianingtyas, Dani Indrawati Fauji, Muhamad Iqbal Hidayah, Mohamad Ikbal Ibrahim Purawiardi, Ibrahim Nabila, Pristy Tasya Putri, Desi Alifia Rina Mardiana Santoso, Zahra Firda Yessie Widya Sari zuldian, prima