Volume 19, Issue 122 (2022)                   FSCT 2022, 19(122): 393-406 | Back to browse issues page

‎ 10.52547/fsct.19.122.393
‎ 20.1001.1.20088787.1401.19.122.9.2

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Firouzi N, Farahmandfar R, Mohammadzadeh Milani J, Motevali A. Effect of basil and chitosan coating on drying kinetic, color, texture and antioxidant activity of apple slices: hot air oven and vacuum drying. FSCT 2022; 19 (122) :393-406
URL: http://fsct.modares.ac.ir/article-7-52028-en.html
Effect of basil and chitosan coating on drying kinetic, color, texture and antioxidant activity of apple slices: hot air oven and vacuum drying
Negar Firouzi1 , Reza Farahmandfar 2, Jafar Mohammadzadeh Milani1 , Ali Motevali3
1- Department of Food Science and Technology, Sari Agricultural Sciences and Natural Resources University, Iran
2- Department of Food Science and Technology, Sari Agricultural Sciences and Natural Resources University, Iran , re1farahmand@gmail.com
3- Department of Mechanic of Biosystem Engineering, Sari Agricultural Sciences and Natural Resources University, Iran
Abstract:   (1870 Views)
The use of edible coatings can help reduce the undesired effects caused by the drying process of fruits and vegetables. In this study, the influence of two different edible coatings including basil and chitosan (0, 0.5 and 1 %) on drying kinetic, color, texture and antioxidant activity of apple slices were evaluated at different temperatures (40, 50 and 60 ˚C) in hot air oven and vacuum drying. The results showed that the use of different coatings in both drying methods increased the drying time. Fitting of different mathematical models on the experimental data showed that the Midili model for basil coatings and the approximation of diffusion model for chitosan coatings are able to predict the moisture content more accurately than other models. With increasing coating concentration or decreasing drying temperature the lightness, adhesiveness, cohesiveness and antioxidant activity enhanced. But, the redness, yellowness, brownness, total color difference and hardness diminished. Generally, basil and chitosan coating pretreatment could be considered as an effective approach to improve the quality of the dried apple fruit in drying industry.
Keywords: Oven, Coating, Drying, Basil, Chitosan
Full-Text [PDF 712 kb]   (1102 Downloads)    
Article Type: Original Research | Subject: Antioxidants
Received: 2021/04/27 | Accepted: 2021/11/2 | Published: 2022/04/5
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