Characterization of a novel date energy bar fortified with Moringa oleifera leaves powder
2025
Walaa A.M. Eid | Dina El-Sayed Helmy Azab | Shaimaa H. Negm
Moringa oleifera leaves are a promising source of protein and nutrients, they are superior to other plants in protein content and nutritional value. The present study was conducted to improve the nutritional value of date energy bars by fortifying with Moringa oleifera powder (MLP) as a source of protein and calcium. MLP was added to date energy bars at different concentrations (2.5%, 5%, 7.5%, and 10%) then the bars were compared to unfortified date bar (0 MLP). Physico-chemical properties, sensory properties, and microbiological parameters of formulated date energy bars were evaluated. Fortification of date energy bars with MLP increased protein content to 16.9%, calcium content to 285.19 mg/100 g energy bar, and antioxidant activity to 75%. Date energy bars fortified with 10% MLP exhibited the highest calories value (327.54 kcal/100 g). Moisture content, pH, and acidity in all fortified energy bars decreased significantly compared to unfortified bars (0 MLP). Fortified bars also showed a significant increase in hardness. Moreover, they showed good sensory properties, physical characteristics, and shelf stability. The study concluded that date energy bars fortified with MLP had high nutritional values and can be used as alternative food for severely malnourished children as well as athletes to provide healthy and high-energy food.
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