Table 1 Flavonoid and phenolic compounds of  Pleurotus ostreatus extract assessed by HPLC
Compound | R.T.* | Area | Area% | Conc. (µg/g) | Molecular weight |
|---|---|---|---|---|---|
Gallic acid | 3.313 | 33.85 | 2.5149 | 28795.97 | C6H2(OH)3CO2H. |
Chlorogenic acid | 4.099 | 17.90 | 1.3297 | 24470.58 | C16H18O9 |
Catechin | 4.615 | 0.00 | 0.00 | 0.00 | – |
Methyl gallate | 5.636 | 169.47 | 12.5924 | 93932.64 | C8H8O5 |
Coffeic acid | 6.070 | 0.00 | 0.00 | 0.00 | – |
Syringic acid | 6.610 | 0.00 | 0.00 | 0.00 | – |
Pyro catechol | 6.800 | 0.00 | 0.00 | 0.00 | – |
Rutin | 8.230 | 1.24 | 0.0921 | 1468.19 | C27H30O16 |
Ellagic acid | 8.899 | 0.00 | 0.00 | 0.00 | – |
Coumaric acid | 9.185 | 0.00 | 0.00 | 0.00 | – |
Vanillin | 9.810 | 1.81 | 0.1344 | 802.65 | C8H8O3 |
Ferulic acid | 10.268 | 0.00 | 0.00 | 0.00 | – |
Naringenin | 10.698 | 3.67 | 0.2725 | 4489.95 | C15H12O5 |
Daidzein | 12.425 | 6.14 | 0.4563 | 3786.60 | C15H10O4 |
Querectin | 12.769 | 0.00 | 0.00 | 0.00 | – |
Cinnamic acid | 14.059 | 2.34 | 0.1738 | 439.95 | C9H8O2 |
Apigenin | 14.539 | 0.00 | 0.00 | 0.00 | – |
Kaempferol | 15.039 | 0.00 | 0.00 | 0.00 | – |
Hesperetin | 15.437 | 11.35 | 0.8435 | 6069.74 | C16H14O6 |