Investigation of Plantago ovata Husk as Pharmaceutical Excipient for Solid Dosage Form (Orodispersible Tablets)

Table 6

Level of grittiness caused by placebo (drug-free) ODTs containing different concentrations of PO husk.

Quantity of PO husk (% )	Quantity of sweetener+flavor (% )	Number of volunteers rated ODTs as
		0	1	2	3
1.00		6	—	—	—
2.50		6	—	—	—
5.00		6	—	—	—
7.50		—	5	1	—
10.00		—	2	4	—

0: no grittiness; 1: acceptable; 2: mild grittiness; 3: grittiness.