Table 6. Antioxidant activity of S. platensis by the ABST•+ (2,2'-azino-bis (3-ethylbenzothiazolin)-6-sulfonic acid) free radical scavenging method and by FRAP ferric reduction.
Whey % | FRAPsf (μmol FS/g) | FRAPtx (μmol Tx/g) | ABTS•+ (μmol Tx/g) |
---|---|---|---|
0.0 | 35.35a±0.87 | 20.68a±0.51 | 17.67a±0.52 |
2.5 | 15.25b±0.08 | 8.95b±0.05 | 14.73b±0.14 |
5.0 | 15.39b±0.10 | 9.03b±0,06 | 14.62b±0.45 |
10.0 | 14.54b±0.14 | 8.54b±0,08 | 11.64c±0.14 |
FRAP (ferric reducing antioxidant power; ABTS•+ (2,2'-azino-bis(3-ethylbenzothiazolin)-6-sulfonic acid). Different letters indicate significant differences for different treatments (p < 0.05).