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Journal : Science and Technology Indonesia

Transforming Discarded Mature Coconut Water into Carboxymethyl Cellulose as A Precursor Material for Bioplastics Khusna Santika Rahmasari; Achmad Vandian Nur; Eka Anydia Putri; Vanesa Maharani; Achmad Ridlo; Bayu Ishartono
Science and Technology Indonesia Vol. 10 No. 3 (2025): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.3.698-711

Abstract

(DMCW) mixture into the market’s drainage ditches after opening mature coconuts, resulting in soil contamination and odor due to acetic acid produced during fermentation by soil bacteria. This study aimed to minimize soil pollution caused by these activities through converting DMCW into versatile biopolymers such as carboxymethyl cellulose (CMC). The synthesis was initiated through the fermentation of DMCW into bacterial cellulose (BC) in the form of nata de coco (NdC), subsequently undergoing alkalization and carboxymethylation to produce CMC. The efficacy of the synthesis process from DMCW to CMC was identified via spectroscopy, thermal, and physicochemical analysis. The characterization results demonstrated that NdC-based CMC and commercial CMC exhibited analogous functional groups, diffraction patterns, thermal degradation behaviors, and physicochemical properties. NdCbased CMC revealed characteristics like water solubility, elevated molecular weight, and high viscosity, despite its purity being spproximately 83.3%. Notwithstanding its rigidity, lack of transparency, and water solubility, this NdC-based CMC can be solvent cast into bioplastics and degraded in soil in four days. In the future, CMC-based bioplastics, enhanced through advanced treatments, will be expected as precursors for the creation of sustainable food packaging materials
Co-Authors Aan Sofyan Abdurrachman, A Achmad Ridlo Adelia Fitriani Adi Nugroho Aflit Nuryulia Praswati Aini, Rahma Felia Ainun Muthoharoh Ainun Muthoharoh, Ainun Alfarizi, Muhammad Bahtiar Alfayyadh, Hilmi Ali, M Ghufanil Muta Alya, Nabila Amelia, Reza apt. Eko Mugiyanto, Eko Arifiyanto, Muhammad Arum Dwi Nanda, Arum Ayu Setyowati Bayu Ishartono Billa Sujadi, Anastasya Shalsa citra_dinda Wardany Dewi, Alfa Yuliana Dwi Bagus Dwi Bagus Pambudi Eka Anydia Putri Eko Mugiyanto Eko Mugiyanto, Eko Elsa Septiana Khoirunnisa Fadillah, Rahma Ayu Fajriyah, Nuniek Niezmah Firman Faradisi Fitriani, Adelia Fitry, Nuranisa'ul Hadana, Marisa Handoyo, Aries Hilda Fitria Wulandari Huda, Muhammad Syahrian Imam Prasetyo Irawan, Heru Irma Suryani Izzudin, Muhammad Izzudin Lutfi Kamilah, Rasya Rizqi Khoirunnisa, Aishwarya Khoirunnisa, Elsa Septiana Kholisatuz Zahro Khusna Santika Rahmasari Kun Harismah Mahdanya Putri AB Mairiza, Anis Nabila Muh. Nur Khoiru Wihadi Muhammad Bahtiar Alfarizi Muhammad Syahrian Huda Muhammad Zidni Rizqon Zidni Musyahar, Ghoni Naila Izza Sabila Ningrum, Wulan Agustin Novel Umarella Nuniek Nizmah Fajriyah Nuniek Nizmah Fajriyah Nuniek Nizmah. F Mochtar Nursepti, Tika Nurul Janah, Fatimah Nuryulia, Aflit Pambudi, Dwi Bagus Purwanto, Teguh R.Kurniawan Dwi Septiady Rahma Ayu Fadillah Ramadhani, Salsabila Ayu Rasya Rizqi Kamilah Rifqi, Zaimur Riska Kurnia Oktaviani Rizqi, Innas Iffat Rochmat, M. Idhar Khoirul S Slamet S Slamet, S Safitri, Arista Sahriswati, Sahriswati Salsabila, Salma Fi Salsabila, Salma Fi Sigit Prasojo Silvia Rizkiani Slamet . Slamet Slamet Slamet, Slamet St. Rahmatullah Syahdiva, Vipin Elrima Syifa, Aleyda Asy Syifa, Annisa Nazhifatus Thanh-Hoa Vo Urmatul Waznah Vanesa Maharani Vanesa Maharani W Wirasti Widyastuti Handayani Wijaya, Nanda Arif Wirasti Wirasti Wirasti Wirasti, W Wirasti, Wirasti Woro Sumarni Yuliah Wahyu Permadi Yuni Setyowati