Table 1. Mean particle size, polydispersity index, zeta-potential and entrapment efficiency of lutein-loaded CDNs and unloaded-CDNs.
| Formulation | MS ± SD (nm) | PI ± SD | ZP ± SD (mV) | Lutein ± SD (μg/ml) | EE ± SD (%) |
|---|---|---|---|---|---|
| CDN |
296±5 |
0.28±0.01 |
52.8±1.2 |
- |
- |
| LCDN |
428±1 |
0.28±0.01 |
46.2±0.9 |
30.36±0.28 |
60.71±0.55 |
| CDN-P |
292±10 |
0.27±0.02 |
36.4±1.6 |
- |
- |
| LCDN-P |
451±6 |
0.29±0.01 |
38.0±1.8 |
36.38±1.08 |
72.76±2.16 |
| CDN-E |
296±4 |
0.24±0.01 |
33.7±0.5 |
- |
- |
| LCDN-E |
447±6 |
0.26±0.02 |
34.1±1.7 |
36.87±1.27 |
73.74±2.54 |
| CDN-PE |
334±3 |
0.26±0.01 |
31.8±0.2 |
- |
- |
| LCDN-PE | 454±7 | 0.28±0.01 | 34.4±3.1 | 38.09±0.65 | 76.17±1.30 |
*MS: mean size; PI: polydispersity index; ZP: zeta potential; EE: entrapment efficiency; SD: standard deviation