Volume 18, Issue 118 (2021)                   FSCT 2021, 18(118): 43-54 | Back to browse issues page

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Abadipazooki P, Tabari M, Jahanbakhshian N. Synergistic evaluation of glucose oxidase and lipase enzymes on rheological properties of barberry flour formulated with relative replacement of corn flour. FSCT 2021; 18 (118) :43-54
URL: http://fsct.modares.ac.ir/article-7-52763-en.html
1- Department of Food Science and Technology, Faculty of Agriculture, North Tehran Branch, Islamic Azad University, Tehran, Iran
2- Accademic member , ma.tabari@gmail.com
Abstract:   (1818 Views)
Enzymatic treatment of wheat flour is an interesting function to improve its functional properties. Because enzymes with different biochemical activities can have synergistic effects on dough behavior or product quality, the individual use and combination of enzymes used in bread production processes is important today. The aim of this study was to evaluate the synergy of glucose oxidase and lipase enzymes in physicochemical properties of barberry flour and bread formulated with relative replacement of corn flour. Treatments in 7 groups (T0 control sample, T1 containing 5% corn flour 0.05% glucose oxidase 0.05% lipase, T2 containing 10% corn flour 0.07% glucose oxidase 0.07% lipase, T3 containing 15% flour Corn 0.09% glucose oxidase 0.09% lipase, T4 contains 20% corn flour 0.011% glucose oxidase 0.011% lipase, T5 contains 25% corn flour 0.13% glucose oxidase 0.13% lipase, T6 Containing 30% corn flour (0.15% glucose oxidase (0.15% lipase) were prepared).
 The chemical results of the treatments showed an increase in moisture, ash and gluten index so that the highest amount of the mentioned factors was observed in T6 sample. Zellini number, phallus number, protein and gluten showed a significant decrease.  Farinograph test results showed no significant water uptake, reduced spreading time and resistance with increasing corn flour replacement percentage in the treatments. The tensile strength of the treatments in the extensograph test showed an increase and a decrease in tensile strength and tensile strength of the treatments, respectively (p<0.05).
 Histological results showed that the use of lipase enzyme and corn flour reduces the stiffness of the treatments. While the addition of corn flour caused the doughs to stick and the enzymes were ineffective. The elasticity of the doughs was also improved by the addition of glucose oxidase. The results of sensory evaluation introduced T4 treatment as the superior treatment.
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Article Type: Original Research | Subject: Cereal and products technology
Received: 2021/05/23 | Accepted: 2021/07/3 | Published: 2021/12/5

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