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Aghabozorg Afjeh, F., Bassiri, A., Mohammadi Nafchi, A. (2018). Optimization of Vacuum Frying Parameters in Combination with Osmotic Dehydration of Kiwi Slices to Produce Healthy Product. Journal of Chemical Health Risks, 4(1), -. doi: 10.22034/jchr.2018.544052
Fatemeh Aghabozorg Afjeh Aghabozorg Afjeh; Ali Bassiri; Abdorreza Mohammadi Nafchi. "Optimization of Vacuum Frying Parameters in Combination with Osmotic Dehydration of Kiwi Slices to Produce Healthy Product". Journal of Chemical Health Risks, 4, 1, 2018, -. doi: 10.22034/jchr.2018.544052
Aghabozorg Afjeh, F., Bassiri, A., Mohammadi Nafchi, A. (2018). 'Optimization of Vacuum Frying Parameters in Combination with Osmotic Dehydration of Kiwi Slices to Produce Healthy Product', Journal of Chemical Health Risks, 4(1), pp. -. doi: 10.22034/jchr.2018.544052
Aghabozorg Afjeh, F., Bassiri, A., Mohammadi Nafchi, A. Optimization of Vacuum Frying Parameters in Combination with Osmotic Dehydration of Kiwi Slices to Produce Healthy Product. Journal of Chemical Health Risks, 2018; 4(1): -. doi: 10.22034/jchr.2018.544052

Optimization of Vacuum Frying Parameters in Combination with Osmotic Dehydration of Kiwi Slices to Produce Healthy Product

Article 2, Volume 4, Issue 1, Spring 2014  XML PDF (523.69 K)
DOI: 10.22034/jchr.2018.544052
Authors
Fatemeh Aghabozorg Afjeh Aghabozorg Afjeh email ; Ali Bassiri; Abdorreza Mohammadi Nafchi
Receive Date: 20 April 2014,  Revise Date: 23 August 2019,  Accept Date: 29 October 2018 
Abstract
Osmotic dehydration under discontinuous reduced pressure is one of the new methods of preparation fruits and vegetable processing with in view of good health. Processing of foods at high temperatures used to cook them can cause the formation of carcinogenic substances like acrylamide, and this risk remains even if the trans-fat is removed. The low temperatures employed in this method resulted in the products with the desired texture, nutritional, and colour. The purpose of this research was evaluation of the variable effects of osmotic dehydration process (ambient pressure, contact time of product and solution, concentration and temperature of osmotic solution) on the quality factors of product (colour changes, texture, moisture, oil uptake, and water loss to solid gain ratio) and achieving the optimum process conditions. Studying the quality parameters of the product, the temperature range of osmotic solution, pressure, concentration of the osmotic solution and contact time of product and solution were assumed as 30 to 50°C, 500 to 700 mbar, 30 to 50% and 60 to 180 min, respectively. The test plans involving 31 tests were obtained by using response surface statistical models and central composite design. They were fried at the condition of 108ºC, 8 min and 320 mbar by using statistical correlations, 48.71ºC for the osmotic solution temperature, 592.07 mbar for the pressure, 62.92 min for the time and 34.87% for the osmotic solution. Concentrations were obtained as optimum conditions of osmotic dehydration of kiwi slices under reduced pressure. In summary combination of osmotic dehydration and vacuum frying improved the quality of the final fried kiwi, so this method is recommended for production of healthy products.
Keywords
Osmotic dehydration; Discontinuous reduced pressure; Kiwi; Frying under reduced pressure; Response Surface; optimization
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