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The solubility of OPC in various vehicles
| Vehicles | Solubility of OPC (mg/g) |
|---|---|
| Aqueous buffer solution (pH 5.0) | 272.35 ± 7.18 |
| Oils and solid lipid | |
| Corn oil | 0.75 ± 0.06 |
| Soy oil | 0.88 ± 0.05 |
| Sunflower oil | 0.73 ± 0.04 |
| Rapeseed oil | 0.62 ± 0.08 |
| MCT | 0.94 ± 0.12 |
| GML | 0.02 ± 0.02 |
| GMS | 0.02 ± 0.02 |
| Surfactants | |
| PGPR | 0.06 ± 0.01 |
| B‐18B | 0.03 ± 0.02 |
| Span 60 | 0.08 ± 0.02 |
| Span 80 | 0.09 ± 0.02 |
| Tween 20 | 0.06 ± 0.02 |
| Tween 60 | 0.05 ± 0.02 |
| Tween 80 | 0.05 ± 0.02 |
