Oleaster (Elaeagnus angustifolia L.) is a fruit with special nutraceutical value which grows under a wide range of climatic conditions in Europe and Asia. In the present study, the effects of oleaster flour (15%, 30% and 45%) and active gluten at (0 and 3%) on the physical, chemical and sensory properties of sponge cakes were assessed. The best sample was selected based on the qualitative properties and compared with the control with respect to the staling rate and nutritional aspects. In order to decrease the calories, the sucrose content of the selected sample was replaced with potassium acesulfame and isomalt at the levels of 30%, 50% and 70%. Oleaster flour increased the density but decreased the hardness and cohesiveness of the cake. Active gluten decreased the density and hardness but increased the cohesiveness and springiness. Considering the qualitative properties of the sponge cakes, the sample containing 30% oleaster flour and 3% gluten (30 OFG) was selected as the best. Replacement of the sucrose in 30 OFG increased the hardness, density, redness and yellowness of the crumb. With 30% sucrose replacement, the quality of the product was adequately maintained. The use of oleaster significantly increased the calcium, potassium, crude fibre, fat and total phenolic compound contents of the sponge cakes as compared to the control. The sample containing 30% oleaster flour and 3% gluten with 30% sucrose replacement showed appropriate physicochemical, textural and sensory properties.
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