Table 5. RP-HPLC quantitative determination of phenolic acids in S. pseudograminifolia extracts.
|
Phenolic acid amounts (µg/gextract) |
||||||||
|
Extracts |
PA |
p -HBA |
CA |
ClA |
SA |
p -CA |
FA |
o -CA |
|
SPM |
0.11 |
0.12 |
0.05 |
4.06 |
0.07 |
0.44 |
0.30 |
0.53 |
|
SPW |
0.22 |
0.79 |
0.25 |
5.26 |
0.21 |
0.89 |
0.48 |
0.65 |
RP-HPLC: Reverse phase high performance liquid chromatography, SPM: The plant’s methanol extract, SPW: The plant’s aqueous extract code, PA: Protocatechic acid, p-HBA: p-Hydroxybenzoic acid, CA: Caffeic acid, ClA: Chlorogenic acid, SA: Syringic acid, p-CA: p-Coumaric acid, FA: Ferulic acid, o-CA: o-Coumaric acid