| Composition | Cu reducing power | |
|---|---|---|
| BHT | 1.00 | 2.69±0.04 |
| 0.50 | 2.48±0.04b | |
| 0.10 | 1.49±0.04c | |
| 0.05 | 1.05±0.05d | |
| 0.01 | 0.39±0.02e | |
| SN | 0.32±0.01f | |
| SF1 | 0.40±0.01e | |
| SF2 | 0.43±0.00g | |
| SF3 | 0.48±0.02i | |
| SF4 | 0.45±0.01h | |
| SF5 | 0.46±0.01h | |
| SF6 | 0.47±0.01h | |
| SF7 | 0.50±0.01i | |
| SF8 | 0.50±0.01i | |
| SF9 | 0.50±0.02i | |
| SF10 | 0.49±0.02i | |