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Laser irradiation and pomegranate peel for preservation of the strawberry quality

https://doi.org/10.21323/2618-9771-2024-7-4-605-611

Abstract

The present study is aimed to explore the influence of laser irradiation and coating with chitosan and pomegranate peel extract on the physico-chemical properties, weight loss, firmness, functional, microbiological, color, and sensory characteristics of strawberry for fifteen days of cold storage. Four treatments of strawberry were conducted with laser irradiation for 6 min. The second, third, and fourth groups were coated with chitosan, pomegranate peel extract (PPE), and mixture of chitosan and PPE at ratio 1:1. Compared to untreated strawberries, the exposure to laser radiation decreased the weight loss of strawberries by 43.44%. Also, the laser irradiation reduced the negative effect of storage on the total phenolic content, anthocyanin, ascorbic acid, and antioxidant ability of strawberry. The exposure of strawberry to laser irradiation reduced the counts of fungi and psychrotrophic bacteria and provided the positive effect on the color and sensory attributes. The coating with PPE and chitosan enhanced the positive effect of laser irradiation on the functional and quality properties of strawberry during its cold storage. It can be concluded that laser irradiation and coating with PPE may be applied as novel techniques for the preservation of strawberry properties during its storage period.

About the Authors

N. Elsayed
Cairo University
Egypt

Nesren Elsayed, Associate Professor, Department of Food Science, Faculty of Agriculture

1, Gamaa Street, Giza, 12613, Egypt

Tel.: + 2–0112–244–58–88



H. Elkashef
Cairo University
Egypt

Hany Elkashef, Associate Professor, Dairy Science Department, Faculty of Agriculture

1, Gamaa Street, Giza, 12613, Egypt

Tel.: + 2–0112–244–58–88



Sh. R. Ali
Cairo University
Egypt

Shaimaa R. Ali, PhD, Lecturer, Department of the Laser Application in Metrology, Photochemistry and Agriculture, LAMPA National Institute of Laser Enhanced Sciences (NILES)

1 Gamaa Street, 12613, Giza, Egypt

Tel.: +2–01000–355–31–11



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Elsayed N., Elkashef H., Ali Sh.R. Laser irradiation and pomegranate peel for preservation of the strawberry quality. Food systems. 2024;7(4):605-611. https://doi.org/10.21323/2618-9771-2024-7-4-605-611

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ISSN 2618-9771 (Print)
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