Table 1.
Direct comparison of using water and ethanol 50% at different temperature in a continuous solid-liquid extraction in terms of TPC and antioxidant activity of the extracted samples.
Extraction Solvent | Temperature (°C) | Time (h) | TPC (mg GAE/g of Dry Sample) | ABTS (µmol/g of Dry Sample) |
---|---|---|---|---|
Water | 25 | 6 | 2.57 ± 0.13 | 50 ± 0.4 |
60 | 6 | 4.13 ± 0.14 | 76.3 ± 0.6 | |
Ethanol 50% | 25 | 6 | 2.37 ± 0.85 | 43.1 ± 0.8 |
60 | 6 | 4.72 ± 1.34 | 56.2 ± 0.7 |