期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 147, 期 -, 页码 699-705出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2020.01.102
关键词
Celery; Nanocellulose; Lignin/hemicellulose hybrid; Removal of methylene blue
资金
- Key Research and Development Program of Jiangsu [BE2015758]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
The endeavor to isolate celery lignocellulosic components and reconstruct into nanocellulose filled and holistic biocomposite films is to demonstrate the potential of re-engineering vegetables into nanocomposite films. The structure-properties relations of these hybrid films were analyzed systematically. The work explored that celery was isolated into the cellulose-rich solid and lignin/hemicellulose (LH) solution using moderate alkali immersions. The 16.1% LH yield was obtained, and cellulose nanofibrils (CCNF) were derived from the solid, at 43.1% yield of the original celery by oxalic acid hydrolysis. Oxalic acid hydrolysis followed by miaofluidization was used to separate CCNF with dimensions of 5-6 nm and 13-1.7 mu m. The LH solution containing CCNF was cast into film structures that exhibited significantly improved mechanical and flexibility properties. Moreover, results suggested that these hybrid films showed a high MB removal efficiency, which ranged from 192.1 to 429.9 mg/g. Totally, over 67.9% celery hybrids were used and it provided an effective and value-added utilization technology for celery and other vegetables. (C) 2020 Elsevier B.V. All rights reserved.
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