Table 8. Solubility of Theobromine, Theophylline, and Caffeine Cocrystals in Watera.
alkaloid–acid system | absorption solubility (g L–1) |
---|---|
Theobromine Cocrystals | |
TBR·TMSA | 0.35 (×1.06) |
TBR·HMLA | 2.36 (×7.15) |
Theophylline Cocrystals | |
TPH·TMSA | 2.07 (×0.25) |
TPH·TMSA·2H2O | 2.01 (×0.24) |
TPH·HMLA | 9.6 (×1.16) |
(TPH)+·(HMLA)−·2H2O | 147.9 (×17.82) |
Caffeine Cocrystals | |
CAF·TMSA | 1.37 (×0.09) |
CAF·HMLA·H2O | 4.86 (×0.30) |
The increase relative to TBR, TPH, and CAF is shown in parentheses, respectively.