Table 3.
Amount of the polyphenolic and flavonoid compounds detected in the crude extracts from six indigenous plants.
| Compound (at 213 nm) |
Amount detected (mg/g crude extracts) | ||||||
|---|---|---|---|---|---|---|---|
| G. daltonii | C. orentalis | C. speciosum | A. villosum | A. tatarinowii | P. kesiya | ||
| 1 | Gallic acid | 32.6 | ND | 10.7 | 14.6 | 11.1 | 19.7 |
| 2 | Chlorogenic acid | 4.2 | 53.2 | ND | 2.5 | ND | 10.1 |
| 3 | Catechin | ND | 59.0 | ND | 1.4 | ND | ND |
| 4 | Epicatechin | ND | 56.6 | ND | 1.4 | ND | ND |
| 5 | Caffeic acid | ND | ND | ND | ND | ND | 5.0 |
| 6 | Vanillic acid | ND | 23.1 | ND | ND | 4.6 | ND |
| 7 | Vanillin | ND | 4.1 | ND | ND | ND | 5.0 |
| 8 | Coumaric acid | ND | 4.0 | ND | ND | 1.3 | 3.1 |
| 9 | Ferulic acid | ND | ND | ND | 1.5 | 1.4 | ND |
| 10 | Quercetin | ND | 114.3 | ND | ND | ND | ND |
The amount of the compounds in the crude extracts was calculated from the HPLC chromatograms detected at wavelength 213 nm under the condition as described in the Methods section.
ND = not detected.