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Gliding Arc Plasma Discharge Conditions on Microbial, Physicochemical, and Sensory Properties of Shrimp (Litopenaeus vannamei): In Vivo and In Vitro Studies

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Abstract

The aim of this study was to determine the optimal conditions for gliding arc plasma using a response surface methodology and consider a low total mesophilic aerobic bacteria (TMAB) count, peroxide value (PV), color differences (ΔE), and appropriate sensory properties of stored Pacific white shrimp (PWS; Litopenaeus vannamei). A Box–Behnken design was used with three independent variables: argon gas (50–100%), treatment time (2–10 min), and sample distance (3–7 cm). Argon gas and treatment time significantly influenced TMAB, PV, ΔE, and sensory properties of the PWS, while sample distance had less effect. A high concentration (100%) of argon gas in the plasma caused a decrease in TMAB (1.2 CFU/g) compared to low concentrations (50%) of argon gas (5.41 CFU/ml). Also, high concentrations of argon gas cause a decrease in PV and an enhancement in ΔE and in the sensory properties of the shrimp. The results show that the use of 94.15% argon gas for 7.10 min with a sample distance of 6.54 cm provides optional gliding arc plasma conditions of 76.3% desirability. Using these numbers while maintaining desirable properties in stored PWS caused an identical reduction of Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Proteus mirabilis under in vitro and in vivo conditions. In optimal conditions, concentrations of H2O2, nitrate, and nitrite in plasma-activated water (PAW) measured were 0.92 mM, 19.42 μM, and 9.62 μM respectively. Scanning electron microscopy (SEM) analysis demonstrated that optimized plasma can destroy the cells of Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Proteus mirabilis bacteria.

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Acknowledgements

This research was supported by a grant from the National Nutrition and Food Technology Research Institute of Iran. Furthermore, this article was a part of a PhD dissertation at Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Funding

This work was supported by the Shahid Beheshti University of Medical Sciences [grant number 29026].

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MM, SMH, and HH designed and performed the experiments and wrote the manuscript. ASA, AH, and KA provided critical feedback and helped shape the research, analysis, and manuscript. MK and AA contributed to sample treatment by gliding arc device plasma. MT and FS performed the data analysis. All authors reviewed the final manuscript.

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Correspondence to Seyede Marzieh Hosseini or Hedayat Hosseini.

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The authors declare no competing interests.

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The authors declare no competing interests.

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Mousavi, M., Hosseini, S.M., Hosseini, H. et al. Gliding Arc Plasma Discharge Conditions on Microbial, Physicochemical, and Sensory Properties of Shrimp (Litopenaeus vannamei): In Vivo and In Vitro Studies. Food Bioprocess Technol 15, 2327–2343 (2022). https://doi.org/10.1007/s11947-022-02886-1

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  • DOI: https://doi.org/10.1007/s11947-022-02886-1

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