Table 3.

Physical characteristics of studied TPN admixtures with vitamins and trace elements. Results are shown as the mean values of three samples ± SD.

Sample	Time	DLS		LD				Zeta Potential ± SD (mV)	pH ± SD
		MDD ± SD (nm)	PDI ± SD	Dv(90) (nm)	Particles < 500 nm (%)	Particles < 525 nm (%)	Particles > 5 µm (%)
A	0	218.9 ± 3.5	0.06 ± 0.02	446	98.31	100	0	−10.90 ± 0.26	6.33 ± 0.00
	24	213.8 ± 2.9	0.07 ± 0.01	447	98.20	100	0	−11.53 ± 0.51	6.34 ± 0.00
A + Vit + TE	0	209.9 ± 1.1	0.04 ± 0.02	453	97.70	100	0	−12.73 ± 0.81	6.52 ± 0.00
	24	213.6 ± 2.7	0.09 ± 0.02	453	97.75	100	0	−13.57 ± 0.85	6.55 ± 0.01
A + AMP + Vit + TE	0	211.7 ± 2.3	0.08 ± 0.02	454	97.66	100	0	−15.47 ± 0.60	7.05 ± 0.01
	24	216.0 ± 3.5	0.08 ± 0.02	454	97.66	100	0	−15.47 ± 0.70	6.95 ± 0.01
B	0	219.3 ± 1.7	0.07 ± 0.02	455	98.42	100	0	−17.67 ± 1.14	6.43 ± 0.01
	24	219.7 ± 1.6	0.08 ± 0.02	456	98.18	100	0	−19.07 ± 0.71	6.43 ± 0.00
B + Vit + TE	0	215.4 ± 1.6	0.08 ± 0.01	457	98.74	100	0	−20.40 ± 1.05	6.47 ± 0.01
	24	218.9 ± 1.5	0.07 ± 0.03	455	98.18	100	0	−20.63 ± 0.72	6.45 ± 0.00
B + AMP + Vit + TE	0	213.9 ± 1.4	0.09 ± 0.01	457	98.00	100	0	−25.07 ± 0.60	7.00 ± 0.00
	24	216.2 ± 0.6	0.08 ± 0.00	457	98.74	100	0	−23.50 ± 1.28	6.88 ± 0.01

TPN: total parenteral nutrition; A: Lipofundin^® MCT/LCT-containing TPN admixture without ampicillin; B: LIPIDem^®-containing TPN admixture without ampicillin; A + VIT + TE, B + VIT + TE: TPN admixtures with vitamins and trace elements; A + AMP + VIT + TE, B + AMP + VIT + TE: TPN admixtures with ampicillin, vitamins, and trace elements; MDD: mean droplet diameter; PDI: polydispersity index; DLS: dynamic light scattering; LD: laser diffraction; Dv(90): 90% of the particles lies below the value; SD: standard deviation.