ABSTRACT This study explores the physical, engineering, thermal, functional, and structural properties of Proso millet ( Panicum miliaceum L.) fractions produced through systematic dehulling and polishing. Physical assessments showed notable differences in bulk density, true density, and porosity, underscoring their implications for grain handling, milling performance, and equipment optimization. Bran fractions demonstrated lower bulk density and increased porosity, while polished grains exhibited reduced thousand‐kernel weight. Nutritional profiling indicated a significant decline in protein, fat, ash, and dietary fiber with increased polishing intensity, confirming the nutrient‐rich nature of the bran and germ layers. Functional evaluation using solvent retention capacity (SRC) revealed that bran fractions had elevated water, sodium carbonate, sucrose, and lactic acid retention values, reflecting superior hydration, pentosan content, and protein functionality—important for processing and end‐use quality. Thermal analysis by differential scanning calorimetry (DSC) showed higher gelatinization onset and peak temperatures in bran fractions and higher enthalpy values in polished grains, indicating varying starch crystallinity and starch‐lipid‐protein matrix integrity. Cooking tests showed that millet polishing significantly reduced cooking time. Scanning electron microscopy (SEM) images captured the gradual removal of bran and germ components with increasing polishing levels. The findings provide a comprehensive understanding to guide the efficient processing and value addition of Proso millet in functional and health‐oriented food applications.
Elancheran et al. (Mon,) studied this question.
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