Table 2.

Particle size distribution and zeta potential analyzed using the Malvern instrument

Formulation	Size distribution (nm)	Mean intensity (%)	PDI	Zeta potential (mV)
F1	122.6±5.6	67.3	0.18	−40.3±2.3
F2	139.2±4.1	56.7	0.16	−29.4±2.5
F3	167.3±4.8	100	0.23	−38.1±3.1
F4	198.4±5.2	89.2	0.20	−26.4±1.8
F5	219.7±7.4	78.4	0.24	−31.8±1.3
F6	179.3±3.1	92.8	0.18	−21.2±2.1
F7	152.4±3.6	100	0.25	−35.3±1.6
F8	374.9±8.2	71.3	0.28	−30.3±2.9
F9	1,084±20.5	100	0.19	−28.1±3.1
F10	10,695.21±32.5	0.0	0.29	−25.2±2.6
F11	311.7±4.6	71.9	0.19	−32.3±2.3
F12	455.1±6.4	82.3	0.21	−28.7±2.5

Note: Average of three determinations ± SD.

Abbreviations: PDI, polydispersity index; SD, standard deviation.