Table III.

Values of pH, Swollen Volumes, Zeta Potentials and Mucoadhesive Strengths of Mucoadhesive Agents

Mucoadhesive agent	pH	Swollen volume (cm3/g) ± SD (n = 6)	Zeta potential (mV) ± SD (n = 6)	Mucoadhesive strength (g) ± SD (n = 6)
				5 min	10 min	15 min	20 min	30 min
FCM	7.02	8.04 ± 0.33	−20.54 ± 0.05	5.50 ± 0.39	5.86 ± 0.36	6.46 ± 0.44	6.89 ± 0.52	7.52 ± 0.61
HPMC	6.73	7.85 ± 0.95	0.00 ± 0.00	3.63 ± 0.15	4.15 ± 0.09	4.44 ± 0.06	4.76 ± 0.03	5.25 ± 0.04
CP	3.27	15.75 ± 0.65	−23.64 ± 0.03	4.24 ± 0.08	4.72 ± 0.05	5.20 ± 0.06	5.36 ± 0.08	5.74 ± 0.09

FCM Ficus carica mucilage, HPMC hydroxypropylmethyl cellulose, CP Carbopol 934, SD standard deviation