Table IV.

Chewing Study Performed by Human Volunteers

Formulation code	Number of human volunteers
	1	2	3	4	5	6
F1	+	−	+	+	−	+
F2	+	+	+	+	+	+
F3	+	+	+	+	+	+
F4	−	−	−	−	−	−
F5	++	++	++	++	++	++
F6	+	+	+	+	+	+
F7	−	−	−	−	−	−
F8	+	+	+	+	+	+
F9	+	+	+	+	+	+

++ represents very good, + represents good, and − represents sticky