Table 1.

Composition (wt%), mean droplet size (nm), polydispersity index (PDI), and zeta potential (mV) of CE nanoemulsion

Nanoemulsion Code	CE (%)	Tween 80 (%)	Span 80 (%)	Tween 20 (%)	Water (%)	HLB	Size	PDI	Zeta
NE1	1	-	-	3.0	96	16.70	155.50 ± 4.81	0.28 ± 0.05	− 2.24 ± 0.37
NE2	1	3.0	-	-	96	15.00	136.65 ± 15.06	0.39 ± 0.01	− 2.67 ± 0.24
NE3	1	2.0	1.0	-	96	11.43	114.65 ± 11.95	0.27 ± 0.01	− 4.63 ± 1.59
NE4	1	1.5	1.5	-	96	9.65	91.15 ± 4.06	0.26 ± 0.01	− 6.90 ± 0.81
NE5	2	1.5	1.5	-	95	9.65	87.53 ± 3.34	0.24 ± 0.03	− 3.04 ± 1.11
NE6	4	1.5	1.5	-	93	9.65	82.20 ± 5.82	0.20 ± 0.01	− 0.50 ± 0.40

The values were expressed as mean ± SD (n = 3)