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Volume 23
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10.3390/ijms23147510
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Article

A Cruciform Petal-like (ZIF-8) with Bactericidal Activity against Foodborne Gram-Positive Bacteria for Antibacterial Food Packaging

by
Bowen Shen
1,
Yuxian Wang
1,
Xinlong Wang
2,
Fatima Ezzahra Amal
2,
Liying Zhu
3,* and
Ling Jiang
1,2,*
1
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing 211816, China
2
College of Food Science and Light Industry, Nanjing Tech University, Nanjing 210009, China
3
School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 210009, China
*
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2022, 23(14), 7510; https://doi.org/10.3390/ijms23147510
Submission received: 21 May 2022 / Revised: 30 June 2022 / Accepted: 5 July 2022 / Published: 6 July 2022
(This article belongs to the Special Issue Bioactive Packaging Materials)
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Abstract

Most antibacterial nanomaterials used in food packaging act by releasing reactive oxygen species (ROS), which cannot efficiently have an inhibitory effect by penetrating the cell wall of Gram-positive Staphylococcus aureus. In this work, we used the cruciform petal-like zeolite imidazole framework-8 (ZIF-8) synthesized in the water phase which can release active Zn compounds in aqueous solution and exert a stronger inhibitory effect on S. aureus. The experimental results demonstrated that the aqueous cruciform petal-like ZIF-8 has the same photocatalytic activity as traditional ZIF-8 and can be applied in photocatalytic bacterial inactivation. The cruciform petal-like ZIF-8 was also shown to release active Zn compounds in aqueous solution with a better antibacterial effect against S. aureus, reaching 95% inactivation efficiency. The antibacterial effect was therefore 70% higher than that of traditional ZIF-8. Based on its excellent antibacterial properties, we loaded petal-like ZIF-8, PDA and PVA onto ordinary fibers to prepare ZIF-8-Film. The results further showed that ZIF-8-Film has a high filtration capacity, which can be used in antibacterial packaging material with the required air permeability. Moreover, ZIF-8-Flim can clean the surface on its own and can maintain a sterile environment. It is different from other disposable materials on the market in that it can be reused and has a self-disinfection function.
Keywords: cruciform petal-like ZIF-8; foodborne bacteria; antibacterial; ZIF-8-Film; food preservation; food packaging cruciform petal-like ZIF-8; foodborne bacteria; antibacterial; ZIF-8-Film; food preservation; food packaging

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MDPI and ACS Style

Shen, B.; Wang, Y.; Wang, X.; Amal, F.E.; Zhu, L.; Jiang, L. A Cruciform Petal-like (ZIF-8) with Bactericidal Activity against Foodborne Gram-Positive Bacteria for Antibacterial Food Packaging. Int. J. Mol. Sci. 2022, 23, 7510. https://doi.org/10.3390/ijms23147510

AMA Style

Shen B, Wang Y, Wang X, Amal FE, Zhu L, Jiang L. A Cruciform Petal-like (ZIF-8) with Bactericidal Activity against Foodborne Gram-Positive Bacteria for Antibacterial Food Packaging. International Journal of Molecular Sciences. 2022; 23(14):7510. https://doi.org/10.3390/ijms23147510

Chicago/Turabian Style

Shen, Bowen, Yuxian Wang, Xinlong Wang, Fatima Ezzahra Amal, Liying Zhu, and Ling Jiang. 2022. "A Cruciform Petal-like (ZIF-8) with Bactericidal Activity against Foodborne Gram-Positive Bacteria for Antibacterial Food Packaging" International Journal of Molecular Sciences 23, no. 14: 7510. https://doi.org/10.3390/ijms23147510

APA Style

Shen, B., Wang, Y., Wang, X., Amal, F. E., Zhu, L., & Jiang, L. (2022). A Cruciform Petal-like (ZIF-8) with Bactericidal Activity against Foodborne Gram-Positive Bacteria for Antibacterial Food Packaging. International Journal of Molecular Sciences, 23(14), 7510. https://doi.org/10.3390/ijms23147510

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