Table 6 Concentration and ESI-MS/MS analysis of phenolic compounds of endophytic fungal extracts
Source fungal strain | RT of peak | m/z [M-H]− | MS/MS fragment | Compound identified | Concentration (mg/g of extract) |
|---|---|---|---|---|---|
P. canescens | 5.3 ± 0.3 | 179 | 134 | Caffeic acid | 4.3 ± 0.1 |
F. chlamydosporum | 5.5 ± 0.3 | 179 | 134 | Caffeic acid | 3.3 ± 0.02 |
P. canescens | 6.3 ± 0.3 | 167 | 152, 123 | Vanillic acid | 2.7 ± 0.07 |
F. chlamydosporum | 11.3 ± 0.1 | 193 | 178, 149, and 134 | Ferulic acid | 0.95 ± 0.001 |
P. canescens | 42.8 ± 3.1 | 300 | 151, 179 | Quercetin | 6.9 ± 0.3 |