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Yazarlar

• Baysal, Taner(1)
• Bozkir, Hamza(1)
• Rayman Ergün, Ahsen(1)
• Tekgül, Yeliz(1)

• MakaleAçık Erişim2019Scopus SJRQ2/r/munzur/3630
  Ultrasound as pretreatment for drying garlic slices in microwave and convective dryer

  Bozkir, Hamza; Rayman Ergün, Ahsen; Tekgül, Yeliz; Baysal, Taner

  The effects of ultrasound pretreatment (US) before hot air drying (HAD) and microwave drying (MWD) of garlic slices were investigated. For this aim ultrasonic bath at 30 °C for 30 min (35 kHz), microwave oven at 540 W power and tray dryer at 60 °C and with 1.0 m/s air flow rate were used to reach the final moisture content of 5%. Drying rate increased in the US + HAD and the US + MWD groups by 19.30% and 13.82% respectively in comparison with control groups. The effective moisture diffusivity (D eff ) of garlic slices were calculated from Fick’s diffusion model for the HAD, US + HAD, MWD and the US + MWD groups as 1.420 × 10 −10 , 1.826 × 10 −10 , 1.177 × 10 −8 , 1.363 × 10 −8 m 2 /s respectively. The rehydration rates increased, and bulk densities were decreased in the US + HAD and the US + MWD compared to the control groups. The color values were significantly affected after ultrasound pretreatment. Redness, and yellowness increased most in the US + HAD group.

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  AtıfScopus53·WoS47·OpenAlex58

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