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Article

Impact of Starch Coating Embedded with Silver Nanoparticles on Strawberry Storage Time

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Department of Food Science and Technology, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo 11884, Egypt
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Department of Food Science and Nutrition, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
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Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt
*
Authors to whom correspondence should be addressed.
Academic Editor: Francesco Galiano
Polymers 2022, 14(7), 1439; https://doi.org/10.3390/polym14071439
Received: 10 March 2022 / Revised: 29 March 2022 / Accepted: 29 March 2022 / Published: 1 April 2022
(This article belongs to the Special Issue Multifunctional Polymer-Based Thin Films)
The strawberry has a very short postharvest life due to its fast softening and decomposition. The goal of this research is to see how well a starch-silver nanoparticle (St-AgNPs) coating affects the physical, chemical, and microbiological qualities of strawberries during postharvest life. Additionally, the effect of washing with running water on silver concentration in coated strawberry fruit was studied by an inductively coupled plasma-optical emission spectrometer (ICP-OES). Furthermore, the shelf-life period was calculated in relation to the temperature of storage. Fourier transform infrared-attenuated total reflectance (FTIR-ATR), UV-Visible, and Transmission Electron Microscopic (TEM) were used to investigate the structure of starch-silver materials, the size and shape of AgNPs, respectively. The AgNPs were spherical, with an average size range of 12.7 nm. The coated samples had the lowest weight loss, decay, and microbial counts as compared to the uncoated sample. They had higher total acidity and anthocyanin contents as well. The washing process led to the almost complete removal of silver particles by rates ranging from 98.86 to 99.10%. Finally, the coating maintained strawberry qualities and lengthened their shelf-life from 2 to 6 days at room storage and from 8 to 16 days in cold storage. View Full-Text
Keywords: starch; silver nanoparticles; coating; strawberry; shelf-life; washing process starch; silver nanoparticles; coating; strawberry; shelf-life; washing process
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MDPI and ACS Style

Taha, I.M.; Zaghlool, A.; Nasr, A.; Nagib, A.; El Azab, I.H.; Mersal, G.A.M.; Ibrahim, M.M.; Fahmy, A. Impact of Starch Coating Embedded with Silver Nanoparticles on Strawberry Storage Time. Polymers 2022, 14, 1439. https://doi.org/10.3390/polym14071439

AMA Style

Taha IM, Zaghlool A, Nasr A, Nagib A, El Azab IH, Mersal GAM, Ibrahim MM, Fahmy A. Impact of Starch Coating Embedded with Silver Nanoparticles on Strawberry Storage Time. Polymers. 2022; 14(7):1439. https://doi.org/10.3390/polym14071439

Chicago/Turabian Style

Taha, Ibrahim M., Ayman Zaghlool, Ali Nasr, Ashraf Nagib, Islam H. El Azab, Gaber A. M. Mersal, Mohamed M. Ibrahim, and Alaa Fahmy. 2022. "Impact of Starch Coating Embedded with Silver Nanoparticles on Strawberry Storage Time" Polymers 14, no. 7: 1439. https://doi.org/10.3390/polym14071439

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