Table 2.
Statistical result comparison of FBRC and FRAP for determination of total antioxidant activity using three standard antioxidants.
| Parameters | Ascorbic acid |
Gallic acid |
BHT |
|||
|---|---|---|---|---|---|---|
| FBRC | FRAP | FBRC | FRAP | FBRC | FRAP | |
| n | 5 | 5 | 5 | 5 | 5 | 5 |
| Mean of blank | 1.80E-04 | 2.60E-04 | 1.60E-04 | 4.00E-04 | 1.20E-04 | 1.60E-04 |
| SD | 7.48E-05 | 4.90E-05 | 4.90E-05 | 5.77E-05 | 6.83E-05 | 4.47E-05 |
| Sm | 3.35E-05 | 2.19E-05 | 2.19E-05 | 2.58E-05 | 3.06E-05 | 2.00E-05 |
| RSD | 7.483E-05 | 4.9E-05 | 4.9E-05 | 6.32E-05 | 7.48E-05 | 4.9E-05 |
| RSD% | 7.48E-03 | 4.90E-03 | 4.90E-03 | 1.22E-01 | 7.48E-03 | 4.90E-03 |
| variance | 5.6E-09 | 2.4E-09 | 2.4E-09 | 3.33E-09 | 4.67E-09 | 2E-09 |
| LOD mol/L | 2.47E-04 | 1.62E-04 | 1.62E-04 | 1.91E-04 | 2.25E-04 | 1.48E-04 |
| LOQ mol/L | 7.48E-04 | 4.90E-04 | 4.90E-04 | 5.77E-04 | 6.83E-04 | 4.47E-04 |
| F. test (6.39)a | 1.53 | 0.04 | 1.53 | |||
| T. test (2.26)a | 1.69 | 1.33 | 0.95 | |||
n: number of replicates; SD: Standard deviation of the blank; Sm: Standard division of the mean; LOQ: limits of quantitation; LOD: limit of detection; RSD: Relative standard division. BTH: Butylated hydroxy toluene.
a
Values between parenthesis are the tabulated t and F values respectively, at p = 0.05 [28].