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. 2021 Mar 9;13(3):361. doi: 10.3390/pharmaceutics13030361

Table 4.

Physicochemical characteristics of NPZ and curcuminoid-loaded zein nanoparticles (NPZ-CC). Mean size, PDI, and Z potential expressed as mean ± SD (n = 3). BDMC: Bisdemethoxycurcumin, DMC: demethoxycurcumin. Statistical differences are represented as asterisk: p < 0.05 (*) and p < 0.01 (**).

Formulation Mean Size (nm) PDI Z
Potential (mV)
CC BDMC DMC Total
Curcuminoids
NPZ 232 ± 3 0.113 ± 0.023 −43 ± 7 - - - -
NPZ-CC® 222 ± 3 * 0.230 ± 0.008 ** −47 ± 1 7.29 0.48 1.41 9.18