Table 5.
Quantification of main phenolic compounds of Mexican oregano extracts from different regions of Jalisco state.
| Compound | OH (mg/mL Ex) |
OM (mg/mL Ex) |
OC (mg/mL Ex) |
|---|---|---|---|
| Taxifolin | 0.060 ± 0.001 b | 0.063 ± 0.000 b | 0.073 ± 0.000 a |
| Apigenin 7-O-glucoside | 0.015 ± 0.002 a | 0.009 ± 0.002 a | 0.008 ± 0.002 a |
| Phlorizin | 0.278 ± 0.001 a | 0.097 ± 0.000 b | 0.099 ± 0.000 b |
| Eriodictyol | 0.017 ± 0.001 c | 0.033 ± 0.023 b | 0.044 ± 0.030 a |
| Quercetin | 0.014 ± 0.001 a | 0.015 ± 0.007 a | 0.018 ± 0.008 a |
| Naringenin | 0.119 ± 0.000 b | 0.130 ± 0.001 a | 0.115 ± 0.001 b |
| Hispidulin | 0.002 ± 0.000 b | 0.022 ± 0.003 a | 0.023 ± 0.004 a |
| Pinocembrin | 3.231 + 0.390 a | 0.356 + 0.002 b | 0.020 + 0.002 b |
| Genkwanin | 0.090 ± 0.001 a | 0.001 + 0.000 b | 0.104 + 0.005 a |
| Galangin | 0.436 ± 0.020 c | 0.082 + 0.004 b | 0.003 + 0.000 a |
OH: oregano from Huejuquilla, OM: oregano from Mezquitic, OC: oregano from Colotlan. Different superscripts letters indicated significant differences between samples according to Tukey test (p < 0.05).