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The effects of cellulose nanocrystal and cellulose nanofiber on the properties of pumpkin starch-based composite films.
Int J Biol Macromol. 2021 Dec 01; 192:444-451.IJ

Abstract

Pumpkin starch (PS) was extracted from Cucurbita maxima and utilized to prepare films in combination with cellulose nanocrystal (CNC) and cellulose nanofiber (CNF), using a solvent casting strategy. The PS was characterized to contain 26.6% of amylose, exhibiting a "B"-type crystalline structure and high stability against thermal degradation. PS/CNF films showed better thermal stability than PS/CNC films, whereas the CNC was more effective than CNF for enhancing the tensile strength (TS) of the films. The nanocomposite films containing 1% CNC showed the highest TS of 30.32 MPa. Fourier transform infrared spectra revealed stronger hydrogen bonding in the PS/CNC films, likely contributing to the observed high mechanical strength. CNC and CNF both decreased the transparency of PS films, by 5.2% and 13.1%, respectively. Overall, the properties of PS composite films can be effectively modified by incorporating CNC and CNF, as PS/CNC films with high mechanical strength and PS/CNF films with good thermal stability. Our results indicate that PS is a suitable material for CNC/CNF composite film fabrication. These films are expected to be especially useful in food packaging applications.

Authors+Show Affiliations

College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China.College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China.College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China.College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China.College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China.College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; National Engineering Research Center for Fruits and Vegetables Processing, Beijing 100083, China. Electronic address: quanhong_li@hotmail.com.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

34606791

Citation

Zhang, Luyao, et al. "The Effects of Cellulose Nanocrystal and Cellulose Nanofiber On the Properties of Pumpkin Starch-based Composite Films." International Journal of Biological Macromolecules, vol. 192, 2021, pp. 444-451.
Zhang L, Zhao J, Zhang Y, et al. The effects of cellulose nanocrystal and cellulose nanofiber on the properties of pumpkin starch-based composite films. Int J Biol Macromol. 2021;192:444-451.
Zhang, L., Zhao, J., Zhang, Y., Li, F., Jiao, X., & Li, Q. (2021). The effects of cellulose nanocrystal and cellulose nanofiber on the properties of pumpkin starch-based composite films. International Journal of Biological Macromolecules, 192, 444-451. https://doi.org/10.1016/j.ijbiomac.2021.09.187
Zhang L, et al. The Effects of Cellulose Nanocrystal and Cellulose Nanofiber On the Properties of Pumpkin Starch-based Composite Films. Int J Biol Macromol. 2021 Dec 1;192:444-451. PubMed PMID: 34606791.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The effects of cellulose nanocrystal and cellulose nanofiber on the properties of pumpkin starch-based composite films. AU - Zhang,Luyao, AU - Zhao,Jing, AU - Zhang,Yu, AU - Li,Fei, AU - Jiao,Xu, AU - Li,Quanhong, Y1 - 2021/10/01/ PY - 2021/07/16/received PY - 2021/09/12/revised PY - 2021/09/27/accepted PY - 2021/10/5/pubmed PY - 2021/12/24/medline PY - 2021/10/4/entrez KW - Cellulose nanocrystal KW - Cellulose nanofiber KW - Mechanical properties KW - Nanocomposite films KW - Pumpkin starch SP - 444 EP - 451 JF - International journal of biological macromolecules JO - Int J Biol Macromol VL - 192 N2 - Pumpkin starch (PS) was extracted from Cucurbita maxima and utilized to prepare films in combination with cellulose nanocrystal (CNC) and cellulose nanofiber (CNF), using a solvent casting strategy. The PS was characterized to contain 26.6% of amylose, exhibiting a "B"-type crystalline structure and high stability against thermal degradation. PS/CNF films showed better thermal stability than PS/CNC films, whereas the CNC was more effective than CNF for enhancing the tensile strength (TS) of the films. The nanocomposite films containing 1% CNC showed the highest TS of 30.32 MPa. Fourier transform infrared spectra revealed stronger hydrogen bonding in the PS/CNC films, likely contributing to the observed high mechanical strength. CNC and CNF both decreased the transparency of PS films, by 5.2% and 13.1%, respectively. Overall, the properties of PS composite films can be effectively modified by incorporating CNC and CNF, as PS/CNC films with high mechanical strength and PS/CNF films with good thermal stability. Our results indicate that PS is a suitable material for CNC/CNF composite film fabrication. These films are expected to be especially useful in food packaging applications. SN - 1879-0003 UR - https://www.unboundmedicine.com/medline/citation/34606791/The_effects_of_cellulose_nanocrystal_and_cellulose_nanofiber_on_the_properties_of_pumpkin_starch_based_composite_films_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0141-8130(21)02115-2 DB - PRIME DP - Unbound Medicine ER -