Research Article

Ascorbic Acid Content and Antioxidant Activities of White and Brown Teff [Eragrostic tef (Zucc.)Trotter] Grains and Injera

Table 4

DPPH radical scavenging activities in the white and brown teff grains varieties.

Sample regionVariety of teffSample IDAntioxidant activities (μmol AAE/g)

AmharaWhite teffAW-13.35 ± 0.36
AW-53.05 ± 0.14
AW-63.65 ± 0.39
AW-81.44 ± 0.21
Brown teffAB-195.67 ± 0.21
AB-234.65 ± 0.11
AB-247.04 ± 0.36
AB-264.93 ± 0.14

OromiaWhite teffOW-111.49 ± 0.25
OW-132.99 ± 0.21
OW-141.26 ± 0.18
Brown teffOB-294.31 ± 0.15
OB-316.06 ± 0.20
OB-324.31 ± 0.14

SNNPRWhite teffSW-172.90 ± 0.25
SW-183.95 ± 0.14
Brown teffSB-355.55 ± 0.13
SB-366.29 ± 0.28

ID = identification; AAE = ascorbic acid equivalent.