Table 5.

Penetration force of gel layer of swollen matrices measured by texture analyser for 6 h.

Sample	Penetration Force (N)
Time Point (min)	15	30	60	120	180	240	300	360	Max. SD
M125	0.72	0.71	0.69	0.60	0.71	0.64	0.61	0.65	0.13
M100	0.69	0.68	0.60	0.61	0.58	0.60	0.57	0.59	0.09
M75	0.76	0.60	0.58	0.57	0.55	0.61	0.71	0.56	0.09
N125	0.63	0.62	0.67	0.68	0.70	0.74	0.72	0.72	0.04
N100	0.63	0.59	0.61	0.71	0.72	0.71	0.73	0.66	0.06
N75	0.69	0.65	0.58	0.61	0.63	0.65	0.71	0.73	0.06
N75M50	0.76	0.63	0.64	0.66	0.68	0.69	0.64	0.63	0.05
N50M50	0.68	0.60	0.58	0.58	0.57	0.55	0.57	0.55	0.08
N25M50	0.68	0.59	0.58	0.64	0.58	0.55	0.52	0.51	0.04