Empirical Modeling of Hot Air-Drying Kinetics of Horseradish Dehydration

Mukesh Guragain, Pranabendu Mitra


The preservation of perishable horseradish crop is essential to increase the shelf-life and supply year-round. Hot air-drying method is commercially viable for preserving fruits and vegetables. However, drying conditions such as drying temperature affect the drying kinetic and the final quality of dried products. It is necessary to understand how drying temperature and blanching affect the drying kinetics of horseradish for the prediction of the right drying conditions. The objective of this study was to investigate the hot air-drying kinetics by fitting commonly used five empirical models to establish right hot air-drying conditions for drying of horseradish. The unblanched (control, C) and blanched (B) horseradish slices were dried at 50, 70 and 85℃ until reaching to an equilibrium moisture content (db). The moisture reduction data were collected at certain intervals and the moisture content data were converted to moisture ratio (MR). The MR data were used to predict the drying kinetics of horseradish drying using five empirical models. The results indicated that drying kinetics followed the constant drying rate period and falling rate period for all three drying temperatures. The five tested models were able to predict the drying kinetics with R2 (0.96-0.99) and RMSE (0.01-0.06) depending on the models and blanching. However, diffusion approach model was the best fitted model securing the highest R2 and the lowest RMSE. The findings of this research are expected to be significantly important for horseradish drying effectively.

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Akpinar, E. K. (2006). Determination of suitable thin layer drying curve model for some vegetables and fruits. Journal of Food Engineering, 73(1), 75-84. https://doi.org/10.1016/j.jfoodeng.2005.01.007

ASAE. (2010). Moisture Measurement--Peanuts (S410.1). St. Joseph, MI: ASABE. https://doi.org/https://doi.org/10.13031/2013.34828

Babu, A. K., Kumaresan, G., Raj, V. A. A., & Velraj, R. (2018). Review of leaf drying: Mechanism and influencing parameters, drying methods, nutrient preservation, and mathematical models. Renewable and Sustainable Energy Reviews, 90, 536-556. https://doi.org/10.1016/j.rser.2018.04.002

Bhaktaraj, S., Prajapati, R., Nepal, K., Timalsina, P., & Mitra, P. (2019). Effect of Sucrose Content ( 0brix ) and Different Flavors on Physical , Mechanical and Sensorial Properties of Ginger Candy. Food Science and Nutrition Technology, 4(2), 1-11. https://doi.org/10.23880/fsnt-16000177

Bratsch, A. (2009). Specialty Crop Profile :Horseradish. Virginia Cooperative Extension, Virginia Polytechnic Institute and State University, USA. Retrieved from https://www.pubs.ext.vt.edu/content/dam/pubs_ext_vt_edu/438/438-104/438-104_pdf.pdf

Dhanushkodi, S., Wilson, V. H., & Sudhakar, K. (2017). Mathematical modeling of drying behavior of cashew in a solar biomass hybrid dryer. Resource-Efficient Technologies, 3(4), 359-364. https://doi.org/10.1016/j.reffit.2016.12.002

Ekechukwu, O. V. (1999). Review of solar-energy drying systems I: An overview of drying principles and theory. Energy Conversion and Management, 40(6), 593-613. https://doi.org/10.1016/S0196-8904(98)00092-2

Kumar, C., Karim, M. A., & Joardder, M. U. H. (2014). Intermittent drying of food products: A critical review. Journal of Food Engineering, 121(1), 48-57. https://doi.org/10.1016/j.jfoodeng.2013.08.014

Meda, V., Mitra, P., Lee, J. H., & Chang, K. S. (2016). Optimization of microwave-vacuum drying processing parameters on the physical properties of dried Saskatoon berries. Open Agriculture, 1(1), 7-17. https://doi.org/10.1515/opag-2016-0002

Midilli, A., & Kucuk, H. (2003). Mathematical modeling of thin layer drying of pistachio by using solar energy. Energy Conversion and Management, 44(7), 1111-1122. https://doi.org/10.1016/S0196-8904(02)00099-7

Mitra, P., Alim, A., & Meda, V. (2019). Effect of Hot Air Thin Layer Drying Temperature on Physicochemical and Textural Properties of Dried Horseradish. Journal of Food Industry, 3(1), 1-18. https://doi.org/10.5296/jfi.v3i1.15721

Mitra, P., Chang, K. S., & Yoo, D. S. (2011). Kaempferol Extraction from Cuscuta reflexa using Supercritical Carbon Dioxide and Separation of Kaempferol from the Extracts. In International Journal of Food Engineering 7(4), 1-15. https://doi.org/10.2202/1556-3758.1768

Mitra, P., & Meda, V. (2009). Optimization of Microwave-Vacuum Drying Parameters of Saskatoon Berries Using Response Surface Methodology. Drying Technology, 27(10), 1089-1096. https://doi.org/10.1080/07373930903221101

Mitra, P., Meda, V., & Green, R. (2013). Effect of drying techniques on the retention of antioxidant activities of Saskatoon berries. International Journal of Food Studies, 2, 224-237. https://doi.org/10.7455/ijfs/2.2.2013.a8

Nagalakshmi, S. A., Mitra, P., & Meda, V. (2014). Color, Mechanical, and Microstructural Properties of Vacuum Assisted Microwave Dried Saskatoon Berries. International Journal of Food Properties, 17(10), 2142-2156.

Orsat, V., Changrue, V., & Raghavan, V. G. S. (2006). Microwave drying of fruits and vegetables. Stewart Postharvest Review, 2(6), 1-7. https://doi.org/10.2212/spr.2006.6.4

Sadi, T., & Meziane, S. (2015). Mathematical modelling, moisture diffusion and specific energy consumption of thin layer microwave drying of olive pomace. International Food Research Journal, 22(2), 494-501.

Sagar, V. R., & Suresh Kumar, P. (2010). Recent advances in drying and dehydration of fruits and vegetables: a review. Journal of Food Science and Technology, 47(1), 15-26. https://doi.org/10.1007/s13197-010-0010-8

Timalsina, P., Prajapati, R., Bhaktaraj, S., Shrestha, R., Shrestha, S., & Mitra, P. (2019). Sweet potato chips development and optimization of chips processing variables. Open Agriculture, 4(1), 118-128. https://doi.org/10.1515/opag-2019-0011

Togrul, I. T., & Pehlivan, D. (2002). Mathematical modelling of solar drying of apricots in thin layers. Journal of Food Engineering, 55(3), 209-216. https://doi.org/10.1016/S0260-8774(02)00065-1

DOI: https://doi.org/10.5296/jfi.v4i1.17152


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