Table 1 Contents of chemical markers (syringin, asperuloside, caffeine, epigallocatechin gallate, andrographolide and dehydroandrographolide) in formula extract
Chemical markers | Content in formula extract (%) |
|---|---|
Syringin | 0.043 ± 0.005 |
Asperuloside | 0.044 ± 0.003 |
Caffeine | 0.596 ± 0.018 |
Epigallocatechin gallate | 0.817 ± 0.021 |
Andrographolide | 0.475 ± 0.033 |
Dehydroandrographolide | 0.115 ± 0.008 |