Table 1.
Total flavonoids and total phenols, Electro-chemical parameters (from differential pulse voltammetry) and IC50 values (for various antioxidant assays) of methanolic extracts of different mushrooms
| P. florida | P. florida mutant | P.sajor-caju | P.sc.mutant | P. cystidiosus | P. djmor | |
|---|---|---|---|---|---|---|
| Total flavonoids (μg/g of extract) | 2.9 ± 0.07a | 2.3 ± 0.23b | 1.7 ± 0.08c | 1.7 ± 0.02c | 1.2 ± 0.02d | 2.1 ± 0.10e |
| Total phenols (mg/g of extract) | 36.0 ± 0.44a | 26.1 ± 6.59b | 22.7 ± 1.32b | 24.0 ± 2.90c | 27.1 ± 2.43d | 27.0 ± 4.89d |
| Electrochemical studies | ||||||
| E1/2/V | 0.99 | 1 | 0.98 | 0.98 | 1.01 | 0.99 |
| Slope/μAcm−2 mg−1 ml | 5.578 | 4.348 | 2.89 | 5.056 | 2.11 | 5.998 |
| E1/2/V | 1.16 | 1.14 | 1.15 | 1.13 | 1.14 | 1.17 |
| Slope/μAcm−2 mg−1 ml | 6.096 | 3.338 | 3.457 | 4.719 | 2.518 | 4.319 |
| IC50 values (mg/ml) | ||||||
| DPPH scavenging activity | 1.00 ± 0.022 | 1.38 ± 0.024 | 1.75 ± 0.060 | 1.42 ± 0.055 | 1.17 ± 0.063 | 1.46 ± 0.038 |
| Reducing power | 5.8 ± 0.73 | 6.5 ± 0.36 | 8.5 ± 0.88 | 8.1 ± 0.76 | 5.6 ± 0.28 | 6.3 ± 0.50 |
| Chelation with ferrous ions | 4.6 ± 0.24 | 6.1 ± 0.27 | 9.3 ± 0.27 | 6.8 ± 0.13 | 7.3 ± 0.37 | 4.3 ± 0.15 |
| FRAP | 09.8 ± 1.17 | 08.9 ± 0.79 | 11.1 ± 0.79 | 11.0 ± 1.24 | 09.8 ± 1.60 | 09.1 ± 1.19 |
| H2O2 scavenging activity | 2.0 ± 0.07 | 1.7 ± 0.07 | 1.7 ± 0.07 | 2.2 ± 0.20 | 6.5 ± 0.04 | 1.3 ± 0.34 |
| Superoxide scavenging activity | 10.1 ± 1.6 | 10.0 ± 1.8 | 12.4 ± 2.0 | 10.8 ± 2.7 | 07.3 ± 2.2 | 11.9 ± 2.4 |
*Each value is expressed as mean ± standard deviation (n = 3). Means with different letters within a row are significantly different (P < 0.05)