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. 2014 Dec 18;9:684. doi: 10.1186/1556-276X-9-684

Table 2.

Characterization of freeze dried Qu-PMs with 5% mannitol after 6 months of storage at 30°C ± 0.5°C and 65% ± 5% RH (mean ± SD, n= 3)

Parameters Initial Final
Size(nm) 63.76 ± 2.35 65.63 ± 3.71
PDI 0.151 ± 0.023 0.183 ± 0.056
EE (%) 92.06 ± 2.41 90.36 ± 3.84
Physical appearance Intact cake Intact cake
Ease of redispersion By mere shaking By mere shaking

PDI, polydispersity index; SD, standard deviation; EE, encapsulation efficiency.