TABLE 5.
Phenolics yield obtained after different pretreatments of BSG reported in the present work and other studies.
| Treatment | Conditions | Phenolic yield | References |
|---|---|---|---|
| SSF | 2 g BSG, 7 days, 25°C, A. niger | 2 mg GAE g−1 | Leite et al. (2019) |
| Alkaline | 2 g BSG, NaOH 2 M, 4 h, 65°C | 16.2 mg GAE g−1 | Alonso-Riaño et al. (2020) |
| Acidic | 0.2 g BSG, methanol and Sulphur acid, 20 h, 85°C | 30 mg GAE g−1 | Alonso-Riaño et al. (2020) |
| Ultra-sounds | 20 kHz, 1 h, 47°C | 3.3 mg GAE g−1 | Alonso-Riaño et al. (2020) |
| Organic solvents | 2 g BSG, methanol, ethanol, or acetone, 30 min | 1.2 mg GAE g−1 | Socaci et al. (2018) |
| Enzymatic hydrolysis | 10–100 µl carbohydrases g−1 dry BSG, 4 h or 9 h, 50°C | 0.56 mg GAE g−1 | Crowley et al. (2017) |
| Enzymatic hydrolysis | 50 U cellulase g−1 dry BSGEF, 72 h, 45°C | 49.2 mg GAE g−1 | Present work |