Determination of Optimum Osmotic Dehydration As a Pretreatment in Hot Air Drying of Turnip Slices By Response Surface Methodology (RSM)

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Rigi Mohammad; ATAYE SALEHI ESMAEIL; Ghahremani Hossein

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Journal: Research and Innovation in Food Science and Technology Year:2020 | Volume:8 | Issue:4 Page(s): 325-340

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Information Journal Paper

Title

Determination of Optimum Osmotic Dehydration As a Pretreatment in Hot Air Drying of Turnip Slices By Response Surface Methodology (RSM)

Author(s)

Rigi Mohammad | ATAYE SALEHI ESMAEIL | Ghahremani Hossein | Issue Writer Certificate

Keywords

Optimum conditionQ2

Osmotic dehydrationQ1

Response surfaceQ1

methodology (RSM)Q1

TurnipQ1

Abstract

The objective of the present study was to investigate the effect of concentration of osmotic solution (30, 45 and 60%, w/w), temperature osmotic solution (30, 40 and 50° C), immersion time (4, 5 and 6 h) on water loss (WL), solids gain (SG), weight reduction (WR), vitamin C content, shrinkage, rehydration ratio (RR), and color indexes (L, a, b) during Osmotic dehydration-drying of Turnip slices. Response surface methodology (RSM) was also used to find out the Optimum condition. The results showed that during Osmotic dehydration of Turnip samples, the variables of temperature of osmotic solution, solution concentration and time of immersion had significant effects on mass transfer parameters (WL, SG, and WR), vitamin C content, shrinkage, RR, and color index (L). Optimal conditions of Osmotic dehydration for Turnip were found to be: solution temperature of 45  C, osmotic solution concentration of 58. 29, and immersion time of 20 min. Under these conditions, the amounts of WL, SG, WR, shrinkage, rehydration ratio (RR), vitamin C content, and color indexes (L, a, b) were 83. 10, 12. 91 and 70. 19%, 27. 76, 4. 19 and 11. 64 (mg/100 g solids), 33. 85, 25. 49 and 15. 91, respectively. The results of this study can be used in the minimal processing of Turnips slices using Osmotic dehydration and subsequent drying of samples.

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APA: Copy

Rigi, Mohammad, ATAYE SALEHI, ESMAEIL, & Ghahremani, Hossein. (2020). Determination of Optimum Osmotic Dehydration As a Pretreatment in Hot Air Drying of Turnip Slices By Response Surface Methodology (RSM). JOURNAL OF RESEARCH AND INNOVATION IN FOOD SCIENCE AND TECHNOLOGY, 8(4 ), 325-340. SID. https://sid.ir/paper/233982/en

Vancouver: Copy

Rigi Mohammad, ATAYE SALEHI ESMAEIL, Ghahremani Hossein. Determination of Optimum Osmotic Dehydration As a Pretreatment in Hot Air Drying of Turnip Slices By Response Surface Methodology (RSM). JOURNAL OF RESEARCH AND INNOVATION IN FOOD SCIENCE AND TECHNOLOGY[Internet]. 2020;8(4 ):325-340. Available from: https://sid.ir/paper/233982/en

IEEE: Copy

Mohammad Rigi, ESMAEIL ATAYE SALEHI, and Hossein Ghahremani, “Determination of Optimum Osmotic Dehydration As a Pretreatment in Hot Air Drying of Turnip Slices By Response Surface Methodology (RSM),” JOURNAL OF RESEARCH AND INNOVATION IN FOOD SCIENCE AND TECHNOLOGY, vol. 8, no. 4 , pp. 325–340, 2020, [Online]. Available: https://sid.ir/paper/233982/en

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