Development and Characterization of Stingless Bee Propolis Properties for the Development of Solid Lipid Nanoparticles for Loading Lipophilic Substances

Table 4

The comparison of the particle size of zeta potential and % entrapment efficiency of the formation containing vitamin E (n = 3); ZP: zeta potential.

Surfactant (%)	Size	ZP	% EE
Brij 721
10	461.4 ± 17.82	−26.0 ± 1.36	96.62 ± 0.00
20	451.2 ± 6.58	−24.0 ± 0.51	92.32 ± 0.19
30	292.1 ± 23.60	−13.3 ± 0.45	74.59 ± 0.13
Cremophor WO 7
10	N/A	N/A	N/A
20	N/A	N/A	N/A
30	N/A	N/A	N/A
Myrj 52
10	366.4 ± 7.73	−28.4 ± 0.41	91.48 ± 0.09
20	416.8 ± 44.61	−32.7 ± 0.96	92.00 ± 0.00
30	366.8 ± 3.09	−27.5 ± 1.12	80.86 ± 0.00
Poloxamer 188
10	466.9 ± 64.20	−30.6 ± 1.13	53.92 ± 0.07
20	759.3 ± 88.52	−32.9 ± 0.15	73.64 ± 0.11
30	388.0 ± 1.99	−32.2 ± 0.35	74.23 ± 0.12
Tween 80
10	357.8 ± 39.97	−27.3 ± 2.72	63.95 ± 0.00
20	756.6 ± 61.24	−24.1 ± 0.45	67.10 ± 0.00
30	312.2 ± 17.11	−25.2 ± 3.11	81.04 ± 0.00