Table 2.

Zeta potentials, particle size, and size distribution of the prepared complexes.

	Zeta Potential	SD	Size (nm)	SD	PDI	SD
β-Cyclodextrin Complex 1	14.6 ± 2.33 (64.8%) −25.9 ± 3.53 (35.3%)	2.25	6759	1762.11	0.201	0.015
NS4	−21.57	4.85	266.6	15.84	0.321	0.044
Raw β-Cyclodextrin	−29.10	5.37	3514	2554.07	0.533	0.455
Plain NS4	−18.30	4.67	85.74	1.99	0.265	0.021
Raw Curcumin	−24.2	2.25	5956.5	968.03	0.493	0.169

¹ Two peaks appeared for the Zeta potential of the β-cyclodextrin complex.