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Abstract
The total antioxidant capacity, total phenolics content (TPC) and nutritional content of five types of enset (Enset ventricosum) flour in comparison with four staples (teff [Eragrostis tef], wheat, corn and tapioca) were evaluated. Teff, corn and “amicho” (corm of enset) had the highest ferric reducing antioxidant power (FRAP). The FRAP and TPC of teff (1.8 mmol Trolox equivalence/100 g dry matter (DM) and 123.6 mg gallic acid equivalent/100 g DM, respectively) were over 4-fold larger than the lowest obtained from “bulla” (dehydrated juice of pseudostem of enset). Corn had the lowest IC50 value of 1,1-diphenyl-2-picrylhydrazyl radical scavenging (10.27 mg DM mL−1). Teff had the highest crude fat content (3.71%) and some mineral profile (P, Mg, Mn and Cu). Enset products had higher fiber, Ca, K, Mg and Mn content as compared to wheat and corn. Ethiopian staple teff has a potential for developing value-added food products with nutritional and health benefits.
Acknowledgements
The authors would like to thank Indu Parmar and Khushwant Bhullar for their assistance in laboratory analysis and Crystal Fullerton for the art work.