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Effects of replacing soy protein and bread crumb with quinoa and buckwheat flour in functional beef burger
Fereshte Bahmanyar1, Seyede Marzieh Hosseini1, Leila Mirmoghtadaie1
1Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Sciences and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract:
This study investigated the physicochemical, nutritional and sensorial characteristics of beef burgers formulated with quinoa flour (QF) and buckwheat flour (BWF) as replacers of the mixture of soy protein powder (SP) and bread crumb (BC). Six treatments were formulated in two groups (15% and 30% of added flour as Groups A and B, respectively). The oil absorption and water holding capacity were higher (P < 0.05) in Soy protein burgers (SPB) than in other burgers. The mineral content of magnesium, phosphorus, iron and zinc was higher in the quinoa burgers (QB) than in the other formulations for both A and B groups. Also, the result of sensory evaluation revealed increases (P < 0.05) in overall acceptability and taste attributes of QB and BWB (Buckwheat Burger) in both groups. The shelf life results showed significant differences between SPB and treated samples (QB and BWB). Therefore, these new beef burger formulations might be a viable option in improvement of nutritional, durability and sensory properties.
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