Fortification of Simit bread with spinach powder: Evaluation of Physico-chemical, textural, and sensorial properties
2022
Forogh Mohtarami | Mohsen Esmaiili | Mahsa Nouraddini | Iraj Ostad
This study aimed to investigate the effect of replacing wheat flour with spinach powder (0-30%) as a rich source of fiber and minerals using a mixture design based on D-optimal on physicochemical properties (weight loss, moisture, ash, protein, fat, fiber, antioxidant capacity, color, specific volume, height, water activity) and textural and sensory properties of bread. According to the results, with the addition of spinach powder moisture content, ash, fiber increased but weight loss, protein, fat, specific volume, water activity and height of the samples decreased, significantly. The antioxidant capacity of supplemented bread with spinach powder was significantly higher than the control sample (p <0.05). Also, textural properties including firmness and penetration energy were significantly increased by adding spinach powder. Spinach powder supplementation led to a decrease of L *, a *, and an increase of b* in the samples. According to the results, replacing wheat flour with spinach powder up to 7.5% improved the overall acceptance of the samples.
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