Upcycling corn cropping waste by nanocellulose production

IF 3.4 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

Biocatalysis and agricultural biotechnology Pub Date : 2025-05-30 DOI:10.1016/j.bcab.2025.103624

David Fernando dos Santos , Rafaela R. Ferreira , Alana Gabrieli Souza , Gabriela Caroline Lenhani , Vinícius Gonçalves Deon , Derval S. Rosa , Vânia Zanella Pinto

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引用次数: 0

Abstract

Waste revaluation is a topic of interest in science and has been widely explored to produce nanocellulose, showing the unlimited application potential and production growth. This work evaluates the nanocellulose production from high cellulose content corn crop waste (stalk, cob, and husk). To produce nanocellulose, chemical isolation, and bleaching were used for corn wastes, followed by a mechanical ball milling fibrillation at three different periods (6h, 9h, and 12h). Nanocellulose was evaluated using dynamic light scattering, zeta potential, infrared (FTIR) and Raman spectrometry, X-ray diffraction (XRD), and transmission electron microscopy (TEM). Ball milling fibrillation time increases the crystallinity index (CI) in all corn waste cellulose samples. Also, nanometric-scale sizes (107–335 nm of hydrodynamic radius) and a certain dissolution stability were achieved due to their chemical constitution. The morphology shows nanofibrils for each sample, with diameters ranging from 2.03 to 16.73 nm after 12h of ball milling. This study shows an efficient green method to obtain nanocellulose from corn crop wastes with potential for applications in several fields.

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利用纳米纤维素生产对玉米种植废料进行升级利用

废物重估是一个备受关注的科学话题，并已被广泛探索用于生产纳米纤维素，显示出无限的应用潜力和产量增长。本研究评估了利用高纤维素含量玉米作物废料（秸秆、玉米芯和谷壳）生产纳米纤维素。为了生产纳米纤维素，对玉米废料进行了化学分离和漂白，然后在三个不同的时间段（6h， 9h和12h）进行机械球磨纤化。采用动态光散射、zeta电位、红外（FTIR）和拉曼光谱、x射线衍射（XRD）和透射电子显微镜（TEM）对纳米纤维素进行了评价。球磨纤颤时间提高了所有玉米废纤维素样品的结晶度指数。此外，由于它们的化学组成，它们具有纳米尺度（107-335 nm的水动力半径）和一定的溶解稳定性。球磨12h后，样品的形貌为纳米原纤维，直径在2.03 ~ 16.73 nm之间。本研究为从玉米作物废料中获得纳米纤维素提供了一种高效的绿色方法，在多个领域具有应用潜力。

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来源期刊

Biocatalysis and agricultural biotechnology Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

7.70

自引率

2.50%

发文量

308

审稿时长

48 days

期刊介绍： Biocatalysis and Agricultural Biotechnology is the official journal of the International Society of Biocatalysis and Agricultural Biotechnology (ISBAB). The journal publishes high quality articles especially in the science and technology of biocatalysis, bioprocesses, agricultural biotechnology, biomedical biotechnology, and, if appropriate, from other related areas of biotechnology. The journal will publish peer-reviewed basic and applied research papers, authoritative reviews, and feature articles. The scope of the journal encompasses the research, industrial, and commercial aspects of biotechnology, including the areas of: biocatalysis; bioprocesses; food and agriculture; genetic engineering; molecular biology; healthcare and pharmaceuticals; biofuels; genomics; nanotechnology; environment and biodiversity; and bioremediation.