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Comparative quality assessment of different drying procedures for plum fruits (Prunus domestica L.)

Author

Listed:
  • Hadi Samimi Akhijahani

    (Department of Agrotechnology, College of Aburaihan, University of Tehran, Tehran, Iran
    Department of Biosystem Engineering, Faculty of Agriculture, University of Kurdistan, Sanandaj, Iran)

  • Akbar Arabhosseini

    (Department of Agrotechnology, College of Aburaihan, University of Tehran, Tehran, Iran)

  • Mohammad Hossein Kianmehr

    (Department of Agrotechnology, College of Aburaihan, University of Tehran, Tehran, Iran)

Abstract

Different drying methods for plum fruits were compared in this case study. Samples were dried at a temperature of 70°C using the method of hot air drying as well using hybrid solar drying at three levels of air velocity (0.5, 1, and 2 m/s) and open sun drying. The dried samples were then compared on the basis of changes in colour, shrinkage and rehydration. The effect of air velocity on colour change was significant (P < 0.05) at the three different levels (0.5, 1, and 2 m/s), whereas effects on shrinkage and rehydration ratio were not significant (P < 0.05). The best conditions for plum drying with respect to values of colour change, shrinkage, rehydration ratio and the drying costs were obtained for the plums dried using a hybrid solar dryer at an air velocity of 1 m/s.

Suggested Citation

  • Hadi Samimi Akhijahani & Akbar Arabhosseini & Mohammad Hossein Kianmehr, 2017. "Comparative quality assessment of different drying procedures for plum fruits (Prunus domestica L.)," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 35(5), pages 449-455.
    • Handle: RePEc:caa:jnlcjf:v:35:y:2017:i:5:id:440-2016-cjfs
    DOI: 10.17221/440/2016-CJFS
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    References listed on IDEAS

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    1. H. Samimi. Akhijani & A. Arabhosseini & M.H. Kianmehr, 2016. "Effective moisture diffusivity during hot air solar drying of tomato slices," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 62(1), pages 15-23.
    2. Ziotis, Nikolaos & Papadas, Christos T., 2011. "Supply of Money and Food Prices: The Case of Greece," Agricultural Economics Review, Greek Association of Agricultural Economists, vol. 12(1).
    3. Stela Jokić & Ibrahim Mujić & Milan Martinov & Darko Velić & Mate Bilić & Jasmina Lukinac, 2009. "Influence of drying procedure on colour and rehydration characteristic of wild asparagus," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 27(3), pages 171-177.
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