Volume 19, Issue 131 (2022)
FSCT 2022, 19(131): 161-172 |
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eftekhari yazdi A, Pedram Nia A, Naghipour F, Elhamirad A H, Saiedi asl R. Investigation of the effect quinoa malt addition on the shelf life and structure of gluten-free bread. FSCT 2022; 19 (131) :161-172
URL: http://fsct.modares.ac.ir/article-7-62539-en.html
URL: http://fsct.modares.ac.ir/article-7-62539-en.html
Arezo Eftekhari yazdi1 
, Ahmad Pedram Nia 2, Fariba Naghipour3 , Amir Hossein Elhamirad4 , Reza Saiedi asl4
, Ahmad Pedram Nia 2, Fariba Naghipour3 , Amir Hossein Elhamirad4 , Reza Saiedi asl4
1- Ph.D of Food Science and Technology, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran
2- Department of Food Science and Technology, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran , ahmadpedram@yahoo.com
3- Seed and Plant Improvement Institute, Agriculture Research, Education and Extension Organization (AREEO), Karaj, Iran
4- Department of Food Science and Technology, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran
2- Department of Food Science and Technology, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran , ahmadpedram@yahoo.com
3- Seed and Plant Improvement Institute, Agriculture Research, Education and Extension Organization (AREEO), Karaj, Iran
4- Department of Food Science and Technology, Sabzevar Branch, Islamic Azad University, Sabzevar, Iran
Abstract: (849 Views)
The use of quinoa seeds and its derivatives in the bakery products formulation, in addition to improving the nutritional value of the final product, reduces dependence on plant sources with high water requirements such as wheat and rice, so in this study the effect of rice flour replacement by whole quinoa enzymatic malt at levels of 0, 2.5, 5, 7.5 and 10% on physicochemical and textural properties and internal structure of gluten-free bread was investigated. The results showed that by increasing the amount of quinoa malt (up to 10%) in the product formulation no significant effect on moisture content and water activity was observed. However, the firmness of the texture in 2 and 72h after baking increased by 10% of quinoa malt. Also, the specific volume and porosity of the product was reduced only at level of 10% of quinoa malt flour. On the other hand, by increasing the amount of quinoa malt flour, the enthalpy of the samples decreased (2 and 72h after baking), while the enthalpy increased with increasing product storage time. The results of crust color evaluation showed a decrease in the amount of L* value and an increase in the amount of a* and b* values by increasing the amount of malt flour in the formulation, which indicates more turbidity of the product. The results of images obtained by Scanning Electron Microscope showed the average values of diameter and pore area of the product decreased by addition quinoa malt. Finally, the panellists gave the highest overall acceptance score to three samples containing 0, 2.5 and 5% of quinoa malt, which indicates the improvement of quantitative and qualitative properties of the final product using enzymatic derivatives and gluten-free quinoa.
Article Type: Original Research |
Subject:
Cereal and products technology
Received: 2022/06/28 | Accepted: 2022/09/10 | Published: 2022/12/31
Received: 2022/06/28 | Accepted: 2022/09/10 | Published: 2022/12/31
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