Abstract
Indian pearl millet varieties were selected, milled to flour and studied for their proximate composition, hunter color, functional, and antioxidant properties. Proximate composition and hunter color values differed significantly (p < 0.05) among varieties. Hunter L* value was found the highest for HHB-223 flour whereas a*, b* and ΔE was the highest for W-445 flour. Flours also showed significant variations in their total phenolic content (TPC), total flavonoids content (TFC), antioxidant activity (DPPH) and metal chelating activity. Variety GHB-732 showed the highest values for TPC (3137 µg GAE/g) and DPPH (46.7 %) activity. TFC was, however, found the highest for HC-10 (2484 µg CE/g) variety. Several significant correlations were observed among different flour properties as revealed by both pearson correlations and principal component analysis. Formulation of chapatti resulted in decrease in TPC, TFC, DPPH values when compared to its flour. However, reverse was observed for metal chelating activity.
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