Table 1.

The basic characteristic of AST-nanodispersions prepared with different emulsifiers.

Emulsifier	Particle size (nm)	PDI	Zeta Potential (mV)	AST concentration (mg/L)
Polysorbate 20	76.0 ± 4.1‡§∳	0.446 ± 0.061‡∳	−16.5 ± 1.9‡§∳	609.2 ± 4.3‡§∳
Polysorbate 40	85.8 ± 5.3†§∳	0.658 ± 0.059†§	−21.8 ± 2.8†	605.1 ± 4.0†
Polysorbate 60	106.6 ± 9.5†‡∳	0.461 ± 0.032‡∳	−23.9 ± 3.6†	601.8 ± 4.9†
Polysorbate 80	137.9 ± 11.6†‡§	0.553 ± 0.051†§	−22.6 ± 3.3†	602.1 ± 5.5†

^†p < 0.05 for difference compared with Polysorbate 20 group.

^‡p < 0.05 for difference compared with Polysorbate 40 group.

^§p < 0.05 for difference compared with Polysorbate 60 group.

^∳p < 0.05 for difference compared with Polysorbate 80 group.

All values are presented as mean ± SD; n = 10 per group.