Time Percentage (%)
TMP      PM KN FD SD
0 0 0 0 0 0
15 58 54 79 83 89
30 67 69 86 95 91
45 69 73 91 98 91
60 69 73 93 99 92
75    69 78 95 99 92
Table 2: Percentage of drug dissolved in function of the time for the followingsystems: trimethoprim (TMP), physical mixture (PM), kneaded (KN), freeze-dried(FD) and spray-dried (SD).