Impact of mango kernel flour incorporation on the physicochemical and sensory properties of balady flatbread

Abstract

Aim: Mango kernel has potential as an alternative flour source to enhance the nutritional value of flatbreads, providing a cost-effective means of promoting healthier foods. This study aimed to determine the effects of mango kernel flour (MKF) incorporation on the physicochemical and sensory properties of balady flatbread. Methods: Balady flatbreads were prepared with different substitution levels of MKF (0%, 25%, 50%, 75%, and 100%). The samples were analyzed for proximate composition, mineral content, color attributes, texture profile, specific volume, microstructure (via scanning electron microscopy), and sensory characteristics. Results: Chemical analysis revealed that MKF substitution significantly increased fat (3.74–13.35%), ash (1.51–2.13%), crude fiber (0.32–2.93%), and energy (266.65–328.78 kcal/g) contents, while protein content remained unaffected. In contrast, moisture (36.34–29.37%) and carbohydrate (54.75–47.98%) contents decreased significantly. Increasing MKF levels also elevated potassium, iron, and magnesium contents. The specific volume decreased (3.48–0.70 mL/g), and texture hardness increased markedly (184.67–9,373.42 g). Scanning electron microscopy showed a more compact structure (pore size reduced from 69.07 to 42.30 μm) with darker and less yellow coloration as MKF substitution increased. Sensory evaluation by 50 panelists indicated that the control sample (100% wheat flour) received significantly higher scores for all evaluated attributes. Conclusions: Increasing levels of MKF incorporation enhanced fat, fiber, ash, and mineral contents but reduced loaf volume, increased hardness, decreased pore size, and lowered sensory acceptability. Among the formulations tested, flatbread containing 25% MKF (FB2) was identified as the optimal formulation, offering improved nutritional properties with acceptable sensory quality. These findings highlight the potential application of MKF as a sustainable, value-added ingredient for developing nutrient-enriched flatbreads and other bakery products, contributing to food waste reduction and functional food innovation.

Keywords

balady flatbread / mango kernel flour / mango seed / functional ingredient

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