Table 1.
Solubility of polyrutin (PR) synthesized in water media and PR synthesized in aqueous organic media [8] in solvents with a different polarity index [27].
| Solvent | Water | DMSO | DMA | DMF | Pyridine | Methanol | Acetone | THF | Toluene | |
|---|---|---|---|---|---|---|---|---|---|---|
| Polarity index | 10.2 | 7.2 | 6.5 | 6.4 | 5.3 | 5.1 | 5.1 | 4.0 | 2.4 | |
| Solubility Determined Photometrically (mg/mL) | ||||||||||
| Reaction media | Aqueous | 753 ± 27 | 465 ± 15 | 92 ± 14 | 104 ± 24 | 2.4 ± 1 | insoluble | insoluble | insoluble | insoluble |
| Solubility Determined by Visual Observation by Kurisawa et al. [8] | ||||||||||
| Reaction media | Aqueous organic | ++ | ++ | ++ | +/− | + | − | − | ||