Table 4.
Conc. (µg) | HEIP | Ascorbic acid | ||
---|---|---|---|---|
Absorbance at 593 nm (mean ± SD) | EC50 (µg/mL) (mean ± SD) | Absorbance at 593 nm (mean ± SD) | EC50 (µg/mL) (mean ± SD) | |
20 | 0.081 ± 0.001 | 105.73 ± 2.47 | 0.177 ± 0.003 | 56.29 ± 3.21 |
40 | 0.193 ± 0.001 | 0.371 ± 0.004 | ||
60 | 0.281 ± 0.002 | 0.521 ± 0.002 | ||
80 | 0.376 ± 0.004 | 0.723 ± 0.006 | ||
100 | 0.486 ± 0.002 | 0.874 ± 0.003 | ||
120 | 0.573 ± 0.003 | 1.131 ± 0.007 |