Film Coating of Nifedipine Extended Release Pellets in a Fluid Bed Coater with a Wurster Insert

Table 8

Drug content with storage time under light stress.

Time (days)	Drug content of the pellets (%)
	Uncoated	Opadry II	Opadry
0	24.4 ± 0.2	22.4 ± 0.3	22.1 ± 0.1
1	23.4 ± 0.2	21.9 ± 0.3	22.8 ± 0.2
2	22.4 ± 0.5	21.5 ± 0.1	21.6 ± 0.2
3	21.2 ± 0.4	21.4 ± 0.2	21.3 ± 0.3
6	16.6 ± 0.2	21.2 ± 0.2	21.0 ± 0.3
10	14.8 ± 0.1	21.1 ± 0.2	20.9 ± 0.2