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Biodegradable Film of Starch-Based Carboxymethyl Cellulose from Rice Husk and Straw for Application in Food Preservation

ผศ.ดร.วรพรรณ พรมศิลา | None

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Biodegradable Film of Starch-Based Carboxymethyl Cellulose from Rice Husk and Straw for Application in Food Preservation

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Collection	RMUTK Research Repository (RMUTK IR) วารสารวิชาการ — e-Journal Articles
ID RMUTK Digital	RMUTK000170
Title	Biodegradable Film of Starch-Based Carboxymethyl Cellulose from Rice Husk and Straw for Application in Food Preservation
Alternative title	Biodegradable Film of Starch-Based Carboxymethyl Cellulose from Rice Husk and Straw for Application in Food Preservation
Authors	ผศ.ดร.วรพรรณ พรมศิลา ผู้แต่งหลัก รศ.ภิญโญ อุดมโภชน์
Faculty	คณะวิทยาศาสตร์และเทคโนโลยี
Journal Title	Biodegradable Film of Starch-Based Carboxymethyl Cellulose from Rice Husk and Straw for Application in Food Preservation
ISSN	2227-9717
Volume / Issue / Pages	Vol.13 \| No.5 \| pp.1387
Published	2025-05-01
Year	2568
Level	ระดับนานาชาติ (SCOPUS)
Quartile	Q2
DOI	https://doi.org/10.3390/pr13051387
Abstract	None
Abstract (EN)	Abstract This study investigated the conversion of cellulose from rice husk (RH) and straw (RS), two types of agricultural waste, into Carboxymethyl cellulose (CMC). Cellulose was extracted using KOH and NaOH, hydrolyzed, and bleached to increase purity and fineness. The cellulose synthesis yielded a higher net CMC content for RH-CMC (84.8%) than for RS-CMC (57.7%). Due to smaller particle sizes, RH-CMC exhibited lower NaCl content (0.77%) and higher purity. FT-IR analysis confirmed similar functional groups to commercial CMC, while XRD analysis presented a more amorphous structure and a higher degree of carboxymethylation. A biodegradable film preparation of starch-based CMC using citric acid as a crosslinking agent shows food packaging properties. The biodegradable film demonstrated good swelling, water solubility, and moisture content, with desirable mechanical properties, maximum load (6.54 N), tensile strength (670.52 kN/m2), elongation at break (13.3%), and elastic modulus (2679 kN/m2), indicating durability and flexibility. The RH-CMC film showed better chemical and mechanical properties and complete biodegradability in soil within ten days. Applying the biodegradable film for tomato preservation showed that wrapping with the film reduced weight loss more efficiently than dip coating. The additional highlight of the work was a consumer survey in Thailand that revealed low awareness but significant interest in switching to alternative uses, indicating commercial potential for eco-friendly packaging choices and market opportunities for sustainable materials
Keywords (TH)	None
Keywords (EN)	CMC; rice husk; rice straw; biodegradable film; food preservation
Access Level	Open Access (เปิดสาธารณะ)

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https://doi.org/10.3390/pr13051387

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