TABLE 2.
Characterization of BG formulations.
| Formulation | Type of formulation | Catechin | Verbascoside | SD yield(expressedas catechin) | Solubility (expressed as µg/ml catechin) | |||
|---|---|---|---|---|---|---|---|---|
| % (w/w) | (µg/ml) | % (w/w) | (µg/ml) | % | 25°C | 37°C | ||
| BG-126 | Solution | — | 7,378 | — | 3,696 | — | — | — |
| BG-SD | Dry powder | 16.9 | — | 11.0 | — | 64.0 | 132.7 | 1,024 |
| BG-SD SP | Dry powder | 3.4 | — | — | — | 66.4 | 176.4 | 2,048 |
| BG-SD PVP | Dry powder | 3.5 | — | — | — | 87.0 | 175.0 | 4,116 |
BG, Buddleja globosa Hope extract; SD, spray-dried; PVP, polyvinylpyrrolidone; SP, Soluplus®