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All Journal Jurnal Pengolahan Hasil Perikanan Indonesia Jurnal Sains dan Teknologi Pangan Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jambura FIsh Processing Journal Journal of Tropical AgriFood Advances in Food Science, Sustainable Agriculture and Agroindustrial Engineering (AFSSAAE) Jurnal Abdi Insani Bubungan Tinggi: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat Aufa (JPMA)
Gevbry Ranti Ramadhani Simamora
Institut Teknologi Kalimantan
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The effect of carboxymethyl cellulose and glycerol addition on the biodegradability of cassava starch-based biofilms Munfarida, Siti; Simamora, Gevbry Ranti Ramadhani; Arista, Yuvita Lira Vesti; Imani, Syarifah Aulia Rahmah; Firdaus, Rizqi Alreza Cahaya; Naibaho, Lasma Barbara
Journal of Tropical AgriFood Vol 8 (2026): Special Issue 1, The 3rd International Conference on Food Technology and Nutrition (IC
Publisher : Jurusan Teknologi Hasil Pertanian Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jtaf.8.5.2026.26720.44-50

Abstract

The growing concern over plastic pollution has accelerated the development of biodegradable packaging materials derived from natural polymers. Cassava starch has been widely studied as a potential raw material because of its abundance and biodegradability. However, its properties are often modified with additives such as carboxymethyl cellulose (CMC) and glycerol to improve film performance, which may influence its biodegradation. This study aimed to investigate the effects of different concentrations of CMC and glycerol on the biodegradability of cassava starch-based biofilms. Biofilms were prepared using three levels of cassava starch (5, 10, and 15 g), three concentrations of CMC (1, 2, and 3%), and three levels of glycerol (6, 9, and 12 mL). Thebiodegradability test was performed using the soil burial method for seven days, with weight loss as the primary parameter.The results showed that all biofilm samples achieved more than 60% degradation within seven days, thus meeting the Indonesian National Standard (SNI) for biodegradability. At low starch concentrations (5 g), the addition of higher CMC and glycerol levels reduced biodegradability due to matrix compaction and reduced porosity. At 10 g starch, biodegradability was more stable, with several formulations reaching 100% degradation by day seven. The highest starch concentration (15g) yielded the best results, with nearly all formulations reaching complete biodegradation, supported by sufficient substrate availability and synergistic interactions betweenCMC and glycerol. Overall, the findings indicate that starch concentration plays a dominant role, whereas excessive CMC and glycerol can slow degradation by limiting microbial accessibility.
Co-Authors . Uju Abdullo, Umar Affandi, Bagus Afrianto, Rafli Dwi Aghata, Rosi Pricilia Alif, Fadel Muhammad Amalia Nur Kumalaningrim Avanza, Mona Rida Bachtiar, Nova Dewi, Siska Mulya Fadeli Muhammad Habibie Fadhil Muhammad Tarmidzi Firdaus, Rizqi Alreza Cahaya Gressty Sari Br Sitepu Herlin, Farrah Widy Imani, Syarifah Aulia Rahmah Jefri Pandu Hidayat Jefri Pandu Hidayat Karlos, George Juan Armando Hary Kumalaningrum, Amalia Nur Munfarida, Siti Naibaho, Lasma Barbara Ni’matus Sholihah Olga Galih Rakha Siwi Rachmadan, Rachmadan Rizka Ayu Yuniar Sabrina, Cicilia Tiara Putri Simangunsong, Russel Amanda Siti Munfarida Siti Munfarida Syuhada, Subhan Tatimu, Evelin Tresya Wicaksono, Syamsul Ma’arif Dwi Wini - Trilaksani Yosep, Anestasya Yuvita Lira Vesti Arista