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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 A'yun, Qurrata Achmad Ridlo Achmad Vandian Nur, Achmad Vandian Adelia Fitriani Ainin, Shabrina Ainun Muthoharoh, Ainun Alfarizi, Muhammad Bahtiar ALIYAH, HIMATUL Allam, Faiq Aminuyati apt. Eko Mugiyanto, Eko Arum Dwi Nanda, Arum Atifah, Husnia Ayu Dyah Purwati Ayu Setyowati Azzahra, Nafisa Aufa Bagus Pambudi, Dwi Balqis, Fadia Indah Bayu Ishartono Bayu Ishartono citra_dinda Wardany Dwi Bagus Pambudi Eka Anydia Putri Eko Mugiyanto Eko Mugiyanto, Eko Elsa Septiana Khoirunnisa Fachry Abda El Rahman Fadhilah, Isna Fadillah, Rahma Ayu Firman Faradisi Fitriani, Adelia Fortuna, Putri Asabella Fuadiya, Laila Azka Giani Khairunnisa, Cantika Haqiqi, Izzatul Huda, Muhammad Syahrian Ida Astuti Ida Astuti Indriyani, Puspa Irma Suryani Irsyad, Khabibullah Isyti'aroh Izzahra, Astrid Ika Kamilah, Rasya Rizqi Khoirunnisa, Aishwarya Khoirunnisa, Elsa Septiana Kholisatuz Zahro Mafruroh, Mafruroh Maharani, Vanesa Maharisti, Retno Aulia Maulvi, M. Arsyi Muhammad Bahtiar Alfarizi Muhammad Syahrian Huda Nadia Salsabila Ulfa Naila Izza Sabila Ningrum, Wulan Agustin Nirmala, Mutiara Suci Nunung Mufida Nunung Mufida Nur, Achamd Vandian Nurul Janah, Fatimah Oktaviani, Riska Kurnia Pambudi, Dwi Bagus Pambudi, Dwi Bagus Prastika, Sisca Windy Putri, Eka Anidya Putriautami, Fernanda Meyra Rahmatullah, ST. Rasya Rizqi Kamilah Retno Aulia Maharisti Rina Widhyani Rini Kristiyanti S Slamet S Slamet, S Sabilla, Elsa Safitri, Arista Salsabila, Salma Fi Slamet Slamet . Slamet Slamet Slamet, Slamet Sugiharto, Sugiharto Supriyanto, Lukman Ulfa, Nadia Salsabila Ulhaq, M Daffa’ Dhiya’ Urmatul Waznah Utami, Budi Vandian Nur,, Achmad Vanesa Maharani Vira Septiya W Wirasti Wirasti Wirasti Wirasti Wirasti, W Wirasti, Wirasti Wulan Agustin Ningrum Wulandari, Hilda Fitria Yuvinda Devi Erviani Yuvinda Zahratulhakimah, Putri Balqis