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Pearl millet is widely recognized for its exceptional nutritional benefits and adaptability to harsh environmental conditions. Due to these valuable traits, it has become a staple food crop in various regions across the globe. This study investigates the impact of traditional processing methods on the phytochemical composition and antioxidant properties of Hulu-mur, a popular nonalcoholic beverage derived from Sudanese pearl millet. Hulu-mur processing, comprising malting, fermentation, and baking, significantly alters the biochemical makeup of the final product. Moreover, the study highlights that different processing stages using three distinct pearl millet landraces (Dembi Red, Dembi White, and Dembi Yellow) result in varied effects on the phytochemical profile and antioxidant activities. Notably, significant variations were observed in total flavonoid content (TFC), total phenolic content (TPC), carotenoids, tannins, and gamma-aminobutyric acid (GABA) among the landraces and throughout the processing stages. Accordingly, Hulu-mur flakes from Dembi Yellow exhibited the highest GABA content, whereas Dembi Red showed superior results in terms of TPC, carotenoids, and tannins. These findings suggest that traditional processing techniques preserve and potentially enhance the health-promoting properties of pearl millet, positioning Hulu-mur as a valuable dietary addition with significant nutritional benefits.
Elsafy et al. (Mon,) studied this question.