S.NO Batch code Initial Drug Content (%w/w) (mean ±  SD*) Drug content (%w/w)
After one month After two months After three months
At 25°C/60% RH (mean  ±  S.D*) At45°C/70%RH (mean ±  SD*) At 25°C/60% RH (mean  ±  S.D*) At45°C/70%RH (mean ±  SD*) At 25°C/60% RH (mean  ±  S.D*) At45°C/70%RH (mean ±  SD*)
1 PD1 90 ± 0.03 90 ± 0.01 89 ± 0.03 89.9 ± 0.05 88.6 ± 0.01 89.9 ± 0.02 87.9 ± 0.06
2 PD4 90.6 ± 0.05 90.6 ± 0.04 90.3 ± 0.04 90.6 ± 0.02 90.0 ± 0.04 90.5 ± 0.03 89.8 ± 0.02
3 PD13 97 ±  0.05 97 ± 0.02 96.8  ±  0.03 97 ± 0.04 96.7 ± 0.05 97 ± 0.03 96.5 ± 0.04
*n=3 SD: Standard deviation
Table 3: Drug content of nanoparticles stored at different temperatures for 3 months.