Table 5.

The in vitro dissolution of formulations A1 to A10 (the first 2 h in an acidic medium of pH 1.2, then in a phosphate buffer medium of pH 6.8).

Time	Percent Drug Release (%)
Hour	A1	A2	A3	A4	A5	A6	A7	A8	A9	A10
1	85	40	10	12	10	2	1	2	0.2	0.01
2	100	95	57	55	30	15	11	7	0.9	0.04
3	100	100	89	90	65	40	34	7	1.1	0.24
4	100	100	100	100	87	68	50	40	1.3	0.5
5	100	100	100	100	100	70	56	56	2.4	0.51
6	100	100	100	100	100	98	74	67	10	0.8
7	100	100	100	100	100	100	95	73	11	1