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Influence of UV-B Pretreatments on Kinetics of Convective Hot Air Drying and Physical Parameters of Mushrooms ( Agaricus bisporus )

Author

Listed:
  • Arman Forouzanfar

    (Department of Food Science and Technology, Agricultural Sciences and Natural Resources University of Khuzestan, Ahvaz 63417-73637, Iran)

  • Mohammad Hojjati

    (Department of Food Science and Technology, Agricultural Sciences and Natural Resources University of Khuzestan, Ahvaz 63417-73637, Iran)

  • Mohammad Noshad

    (Department of Food Science and Technology, Agricultural Sciences and Natural Resources University of Khuzestan, Ahvaz 63417-73637, Iran)

  • Antoni Jacek Szumny

    (Department of Food Chemistry, Wrocław University of Environmental and Life Sciences, Norwida 25, 50-375 Wrocław, Poland)

Abstract

The present study aimed to investigate the effects of ultraviolet-B (UV-B) pretreatments on selected physical properties (shrinkage, rehydration, color, texture) and drying kinetics and to model the drying kinetics of hot air dried mushrooms using several mathematical models, such as the Henderson–Pabis, logarithmic, two-term, Verma, Wang and Singh, Midilli, and modified Henderson–Pabis models. Results showed that the use of UV-B pretreatment before mushroom drying reduced shrinkage, color changes, firmness, and drying time and increased rehydration and the effective moisture diffusion coefficient. The amount of activation energy increased from 16.55 ± 1.3 kJ/mol (control sample) to 18.27 ± 2.2 kJ/mol (UV-B treated samples for 30 min), 19.72 ± 1.4 kJ/mol (UV-B treated samples for 60 min), and 21.9 ± 1.9 kJ/mol (UV-B treated samples for 90 min). However, increasing the drying temperature increased the shrinkage and firmness of samples. The modified Henderson–Pabis model with the highest correlation coefficient (R 2 ) and lowest root mean square error (RMSE) and chi-square (χ 2 ) showed the best fit for every drying curve, proving to be an excellent tool for the prediction of drying time.

Suggested Citation

  • Arman Forouzanfar & Mohammad Hojjati & Mohammad Noshad & Antoni Jacek Szumny, 2020. "Influence of UV-B Pretreatments on Kinetics of Convective Hot Air Drying and Physical Parameters of Mushrooms ( Agaricus bisporus )," Agriculture, MDPI, vol. 10(9), pages 1-10, August.
    • Handle: RePEc:gam:jagris:v:10:y:2020:i:9:p:371-:d:401786
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    References listed on IDEAS

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    1. Darvishi, Hosain & Azadbakht, Mohsen & Noralahi, Bashir, 2018. "Experimental performance of mushroom fluidized-bed drying: Effect of osmotic pretreatment and air recirculation," Renewable Energy, Elsevier, vol. 120(C), pages 201-208.
    2. Ameri, Billal & Hanini, Salah & Boumahdi, Mouloud, 2020. "Influence of drying methods on the thermodynamic parameters, effective moisture diffusion and drying rate of wastewater sewage sludge," Renewable Energy, Elsevier, vol. 147(P1), pages 1107-1119.
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