Harnessing the antimicrobial potential of natural starch and mint extract in PVA-based biodegradable films against staphylococcus aureus bacteria

被引:0
|
作者
Rashid, Iqra Abdul [1 ]
Faisal, Mohd [2 ,3 ]
Ahmad, Ahsan [1 ]
Afzal, Ayesha [1 ]
Khaliq, Zubair [1 ]
Ashraf, M. Sahaam [1 ]
Shakir, H. M. Fayzan [1 ]
Tariq, Asra [1 ]
Qadir, Muhammad Bilal [4 ]
Irfan, Muhammad [5 ]
Harraz, Farid A. [2 ,6 ]
Jalalah, Mohammed [2 ,5 ]
机构
[1] Natl Text Univ, Dept Mat, Faisalabad 37610, Pakistan
[2] Najran Univ, Adv Mat & Nanores Ctr AMNRC, Najran 11001, Saudi Arabia
[3] Najran Univ, Najran 11001, Saudi Arabia
[4] Natl Text Univ, Faisalabad 37610, Pakistan
[5] Najran Univ, Coll Engn, Dept Elect Engn, Najran 11001, Saudi Arabia
[6] Najran Univ, Najran 68342, Saudi Arabia
关键词
polyvinyl alcohol (PVA); corn starch (CS); mint extract (ME); biodegradability; antimicrobial activity; POLYETHYLENE; BLENDS; COMPOSITES;
D O I
10.1088/2053-1591/ad1263
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Sustainable packaging solutions are of paramount importance in addressing the environmental challenges posed by conventional non-biodegradable materials. This study addresses this critical need by introducing a novel approach to crafting antimicrobial biodegradable polymer films. Leveraging the benefits of polyvinyl alcohol (PVA) as a base material, combined with corn-starch (CS) and mint extract (ME), these films offer a compelling synergy of eco-friendliness, antimicrobial efficacy, and mechanical strength. The antimicrobial property was imparted by adding mint extract, and boric acid (BA) was added as a cross-linker for better mechanical properties. All process was done by solution casting method followed by mechanical stirring. After 7 days, starch-PVA blend showed 50% weight loss; however, after adding mint extract, the action of microbes was reduced, and a 50% reduction in weight was observed after 12 days. The excellent mechanical properties were achieved by adding 10% aqueous solution of BA as a cross-linker. The confirmation of BA in the blend was done by the Fourier transform infrared spectroscopy (FTIR). Differential scanning calorimetry (DSC) was used to check the thermal properties of the films. Antimicrobial results showed that mint extract was resistant to staphylococcus aureus bacteria. These biodegradable films offer a multifaceted solution, aligning with sustainability objectives, showcasing antimicrobial potential, and demonstrating mechanical robustness. As such, they hold promise for a diverse array of applications, particularly in the realm of environmentally conscious food packaging. In the pursuit of greener alternatives, these films stand as a testament to innovative materials engineering that harmonizes functionality with ecological responsibility.
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页数:10
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