The Effect of Vacuum Impregnation Pretreatment on Air-Drying Kinetics of Pears
The aim of this study was to examine the drying kinetics of pears (Pyrus communis L.) with and without vacuum impregnation and under the different temperature by using tray dryer. Vacuum impregnation were applied to the the pears (15 mm thickness, 65 mm outer and 20 mm inner dimensions respectively)...
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| Format: | Article |
| Language: | English |
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Hasan Eleroğlu
2020-11-01
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| Series: | Turkish Journal of Agriculture: Food Science and Technology |
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| Online Access: | http://www.agrifoodscience.com/index.php/TURJAF/article/view/2436 |
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| _version_ | 1849469534243651584 |
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| author | Şeyma Uysal Fikret Pazır |
| author_facet | Şeyma Uysal Fikret Pazır |
| author_sort | Şeyma Uysal |
| collection | DOAJ |
| description | The aim of this study was to examine the drying kinetics of pears (Pyrus communis L.) with and without vacuum impregnation and under the different temperature by using tray dryer. Vacuum impregnation were applied to the the pears (15 mm thickness, 65 mm outer and 20 mm inner dimensions respectively) with the conditions of 50⁰ Brix impregnation solution concentration, 225 mbar vacuum pressure and 45 min vacuum time. Drying process was carried out at temperatures of 55, 65 and 75°C. Drying time of non-vacuum impregnated pears was determined 640, 500 and 340 min and vacuum impregnated pears was determined 700, 540 and 560 min respectively. Page, Exponential, Henderson and Pabis, Diffusion Approach were examined for testing the drying kinetics. Experimental values are in accordance with the expected values resulted Page and Difussion models of with and without vacuum impregnated pears. Effective diffusion coefficient (Deff) was varying 2.74×10-11 to 7.31×10-11 m2/s. m2/s with respect to the drying temperatures. The activation energy for the non-vacuum impregnated and vacuum impregnated pears was 32.93 kJ / mol and 24.25 kJ / mol, respectively. |
| format | Article |
| id | doaj-art-fd72183480ca4b7b88f52d0bdb253fb7 |
| institution | Kabale University |
| issn | 2148-127X |
| language | English |
| publishDate | 2020-11-01 |
| publisher | Hasan Eleroğlu |
| record_format | Article |
| series | Turkish Journal of Agriculture: Food Science and Technology |
| spelling | doaj-art-fd72183480ca4b7b88f52d0bdb253fb72025-08-20T03:25:26ZengHasan EleroğluTurkish Journal of Agriculture: Food Science and Technology2148-127X2020-11-018112248225410.24925/turjaf.v8i11.2248-2254.24361823The Effect of Vacuum Impregnation Pretreatment on Air-Drying Kinetics of PearsŞeyma Uysal0Fikret Pazır1Engineering Faculty, Food Engineering Department, Ege University, 35040 IzmirEngineering Faculty, Food Engineering Department, Ege University, 35040 IzmirThe aim of this study was to examine the drying kinetics of pears (Pyrus communis L.) with and without vacuum impregnation and under the different temperature by using tray dryer. Vacuum impregnation were applied to the the pears (15 mm thickness, 65 mm outer and 20 mm inner dimensions respectively) with the conditions of 50⁰ Brix impregnation solution concentration, 225 mbar vacuum pressure and 45 min vacuum time. Drying process was carried out at temperatures of 55, 65 and 75°C. Drying time of non-vacuum impregnated pears was determined 640, 500 and 340 min and vacuum impregnated pears was determined 700, 540 and 560 min respectively. Page, Exponential, Henderson and Pabis, Diffusion Approach were examined for testing the drying kinetics. Experimental values are in accordance with the expected values resulted Page and Difussion models of with and without vacuum impregnated pears. Effective diffusion coefficient (Deff) was varying 2.74×10-11 to 7.31×10-11 m2/s. m2/s with respect to the drying temperatures. The activation energy for the non-vacuum impregnated and vacuum impregnated pears was 32.93 kJ / mol and 24.25 kJ / mol, respectively.http://www.agrifoodscience.com/index.php/TURJAF/article/view/2436vacuum pretreatmentdryingdrying timedrying kineticspear |
| spellingShingle | Şeyma Uysal Fikret Pazır The Effect of Vacuum Impregnation Pretreatment on Air-Drying Kinetics of Pears Turkish Journal of Agriculture: Food Science and Technology vacuum pretreatment drying drying time drying kinetics pear |
| title | The Effect of Vacuum Impregnation Pretreatment on Air-Drying Kinetics of Pears |
| title_full | The Effect of Vacuum Impregnation Pretreatment on Air-Drying Kinetics of Pears |
| title_fullStr | The Effect of Vacuum Impregnation Pretreatment on Air-Drying Kinetics of Pears |
| title_full_unstemmed | The Effect of Vacuum Impregnation Pretreatment on Air-Drying Kinetics of Pears |
| title_short | The Effect of Vacuum Impregnation Pretreatment on Air-Drying Kinetics of Pears |
| title_sort | effect of vacuum impregnation pretreatment on air drying kinetics of pears |
| topic | vacuum pretreatment drying drying time drying kinetics pear |
| url | http://www.agrifoodscience.com/index.php/TURJAF/article/view/2436 |
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