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

Table 3

Recovery results of ascorbic acid by the redox titration method.

Variety of sample	Amount of ascorbic acid in the sample before spiking (mg)	Amount of ascorbic acid spiked (mg)	Amount of ascorbic acid found after spiking (mg)	Recovery (%) (n = 3)
White teff grain	0.238	0.0952	0.332	98.7 ± 4.3
Brown teff grain	0.218	0.0872	0.304	98.6 ± 5.3
White teff injera	0.088	0.0348	0.124	104 ± 4.9
Brown teff injera	0.083	0.0332	0.117	102 ± 4.3