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Cellulose, a naturally abundant biopolymer, holds great potential as a sustainable alternative to synthetic fibers. However, the limited understanding and awareness surrounding cellulose utilization, particularly from agricultural origins, have impeded the complete harnessing of this highly biodegradable resource. This study aimed to extract and characterize cellulose from jute and banana fibers. The extracted cellulose exhibits a light yellow to white color, and microscopic analysis of the fibers showed micro‐fibrils. X‐ray diffraction (XRD) characterization indicated that the extracted cellulose from biomass primarily consists of cellulose II structures, except for the treated banana fiber (M:L = 1:8), which contains both cellulose I and II. Moreover, increasing the M:L ratio of alkali treatment enhanced the percentage of cellulose‐II, as observed from the XRD data. The findings of this study carry significant implications for the efficient production of cellulose fibers, with diverse applications spanning from high‐volume products like regenerated fibers, automotive parts, packaging, absorbent products (diapers), textiles, and precast concrete, drug delivery mediums, electronics, additive manufacturing, bone and tissue scaffolding, and so on. This research opens the door to harnessing the potential of cellulose derived from jute and banana fibers in various industries. Highlights: Extraction cellulose using the kraft process.Isolated cellulose shows a micron‐sized structure.Optimal extraction achieved with M:L ratio of 1:4.Applications of isolated cellulose: regenerated fibers, packaging, absorbent products (diapers), textiles, and so on. [ABSTRACT FROM AUTHOR]

Abstract Cellulose, a naturally abundant biopolymer, holds great potential as a sustainable alternative to synthetic fibers. However, the limited understanding and awareness surrounding cellulose utilization, particularly from agricultural origins, have impeded the complete harnessing of this highly biodegradable resource. This study aimed to extract and characterize cellulose from jute and banana fibers. The extracted cellulose exhibits a light yellow to white color, and microscopic analysis of the fibers showed micro‐fibrils. X‐ray diffraction (XRD) characterization indicated that the extracted cellulose from biomass primarily consists of cellulose II structures, except for the treated banana fiber (M:L = 1:8), which contains both cellulose I and II. Moreover, increasing the M:L ratio of alkali treatment enhanced the percentage of cellulose‐II, as observed from the XRD data. The findings of this study carry significant implications for the efficient production of cellulose fibers, with diverse applications spanning from high‐volume products like regenerated fibers, automotive parts, packaging, absorbent products (diapers), textiles, and precast concrete, drug delivery mediums, electronics, additive manufacturing, bone and tissue scaffolding, and so on. This research opens the door to harnessing the potential of cellulose derived from jute and banana fibers in various industries. Highlights Extraction cellulose using the kraft process. Isolated cellulose shows a micron‐sized structure. Optimal extraction achieved with M:L ratio of 1:4. Applications of isolated cellulose: regenerated fibers, packaging, absorbent products (diapers), textiles, and so on.