Table 8.
Method employed, retention time, and ultraviolet absorption of betulinic acid, quercetin and ethanolic extract of Ziziphus jujube
| Compound | Method | Constituent | Retention Time (min) | UV Absorption (nm) |
|---|---|---|---|---|
| Standard 1 | Zhang et al. 2008 | Betulinic Acid | 42.169 | 205 |
| EEZJ | Zhang et al. 2008 | Betulinic Acid | 42.169 | 205 |
| Standard 2 | Guo et al. 2011 | Quercetin | 16.821 | 205 |
| EEZJ | Guo et al. 2011 | Quercetin | 16.821 | 205 |