Table 3. Solubility of VAC extract into NE.
| Sample | Total flavonoids (mg/mL) | Total iridoids (mg/mL) | 
|---|---|---|
| 5 mg/mL of extract | 0.26 | 0.11 | 
| 10 mg/mL of extract | 0.41 | 0.16 | 
| 15 mg/mL of extract | 0.75 | 0.26 | 
| 40 mg/mL of extract | 2.41 | 0.60 | 
| 60 mg/mL of extract | 3.47 | 1.75 | 
| Water | 0.31 | 0.17 |