Table 2.
Antioxidant capacities of selected culinary-medicinal mushrooms as determined by the DPPH free radical scavenging activity, inhibition of lipid peroxidation using buffered egg yolk and β-carotene bleaching assays.
| DPPH free radical scavenging activity | β-carotene bleaching assay | Lipid peroxidation | |
|---|---|---|---|
| Mushroom species | IC50 (mg/mL) | IC50 (mg/mL) | Percentage of inhibition at 10 mg/mL |
| Agrocybe sp. | 9.559 ± 0.462a,b,c | 12.95 ± 0.842e | 33.33 ± 18.14a |
| Auricularia auricular-judae | 23.916 ± 0.106d,e,f | 27.82 ± 0.498g | 56.41 ± 2.74c,d |
| Flammulina velutipes | 39.050 ± 5.717h | 38.80 ± 0.039h | 41.71 ± 4.23a,b,c |
| Ganoderma lucidum | 5.280 ± 0.263a,b | 7.94 ± 0.783b,c | 57.18 ± 14.05d |
| Hericium erinaceus | 25.471 ± 0.039c,d,e | 8.76 ± 1.567b | 47.52 ± 4.87a,b,c,d |
| Lentinula edodes | 19.093 ± 0.296c,d,e | 8.33 ± 0.020b,c,d | 38.29 ± 4.16a,b |
| Pleurotus cystidiosus | 31.500 ± 0.053f,g,h | 26.08 ± 2.383g | 49.83 ± 4.3b,c,d |
| Pleurotus eryngii | 15.422 ± 0.037b,c,d | 24.71 ± 0.542g | 47.86 ± 9.22a,b,c,d |
| Pleurotus flabellatus | 17.857 ± 0.000c,d,e | 11.97 ± 0.317d,e | 50.09 ± 6.07b,c,d |
| Pleurotus florida | 21.233 ± 0.045d,e,f | 25.08 ± 0.333g | 56.58 ± 7.43c,d |
| Pleurotus sajor-caju | 23.100 ± 0.156d,e,f | 17.50 ± 0.012f | 42.99 ± 3.34a,b,c,d |
| Schizophyllum commune | 35.659 ± 0.055g,h | 2.21 ± 0.237a | 36.24 ± 9.41a,b |
| Termitomyces heimii | 26.839 ± 0.189e,f,g | 12.79 ± 0.381e | 46.32 ± 2.73a,b,c,d |
| Volvariella volvaceae | 17.832 ± 0.020c,d,e | 17.92 ± 0.197f | 50.00 ± 1.47b,c,d |
|
| |||
| Positive controls | |||
|
| |||
| Quercetin | 0.032 ± 0.007a | 1.86 ± 0.014a | 87.35 ± 6.11e |
| Butylated hydroxyanisole (BHA) | 0.097 ± 0.012c | 2.76 ± 0.014a | 75.13 ± 2.02e |
| Ascorbic acid | 0.078 ± 0.005b | 11.50 ± 0.135c,d,e | 81.54 ± 1.09e |
Values were expressed as mean ± standard deviation of three replicate determinations.
Mean values in a column with different lowercase letters (a–h) indicate significant difference at P < .05.