Table 1.
The approximate IC50 values (mg/mL) of acai aqueous extract, acai ethanolic extract, α-tocopherol (vitamin E), L-ascorbic acid (vitamin A), gallic acid, and butylated hydroxyanisole (BHA) for the AChE, BuChE, DPPH, ABTS, H2O2, •OH, •NO, and LPO assays.
| Sample | AChE | BuChE | DPPH | ABTS | H2O2 | •OH | •NO | LPO |
|---|---|---|---|---|---|---|---|---|
| Acai aqueous extract | 0.014 | 6.378 | 11.550 | 30.541 | 7.803 | 11.604 | 12.932 | 4.862 |
| Acai ethanolic extract | NS | NS | 0.791 | 0.462 | 1.479 | 0.946 | 4.544 | 438.8 |
| α-tocopherol | - | - | 0.050 | 1.270 | 0.676 | - | - | - |
| L-ascorbic acid | - | - | 0.115 | 0.690 | - | - | - | - |
| Gallic acid | - | - | 0.008 | 0.008 | 0.737 | 0.001 | - | - |
| Butylated hydroxyanisole | - | - | - | - | - | 135.437 | 0.004 |
(-), Not evaluated; NS, not significant.