. 2015 Sep 1;10:5529–5542. doi: 10.2147/IJN.S83929

Table 2.

Physicochemical characteristics of nanoemulsions

Parameters analyzed	LP20	SP80	LP80	SP20
Content, mg·mL⁻¹ (SD)	0.91 (0.18)^a	0.89 (0.28)^a	0.92 (0.60)^a	0.88 (0.10)^a
Association efficiency (SD)	99.93 (0.005)^a	99.97 (0.04)^a	99.97 (0.02)^a	99.97 (0.03)^a
Particle size, nm (SD)	171.9 (18.73)^a	272.74 (8.85)^b	183.77 (1.94)^a	296.27 (2.81)^b
Polydispersity index (SD)	0.14 (0.01)^a	0.24 (0.04)^b	0.13 (0.02)^a	0.34 (0.07)^b
Zeta potential, mV (SD)	−39.43 (3.56)^a	−21.22 (4.59)^b	−36.61 (0.58)^a	−25.8 (2.68)^b
pH (SD)	5.16 (0.40)^a	5.81 (0.56)^a	5.47 (0.31)^a	5.68 (0.68)^a
Viscosity, cP (SD)	2.00 (0.13)^a	1.71 (0.06)^b	2.01 (0.07)^a	1.75 (0.19)^b

Note: Different letters indicate significant statistical differences (ANOVA, Tukey test, P<0.05).

Abbreviations: ANOVA, analysis of variance; LP20, soybean lecithin and polysorbate 20; LP80, soybean lecithin and polysorbate 80; SD, standard deviation; SP20, sorbitan monooleate and polysorbate 20; SP80, sorbitan monooleate and polysorbate 80.