Table 7 Comparison of sonication and high-pressure homogenization (HPH)-produced stearic acid solid lipid nanoparticles (SLN), before and after lyophilization (Lyo). Values shown for size, polydispersity index (PdI) and zeta potential, n = 3.
From: Production of rumen- and gastrointestinal-resistant nanoparticles to deliver lysine to dairy cows
Formulation | Sonication SLN | Sonication SLN Lyo | SEM | P value |
|---|---|---|---|---|
Size (nm) | 562 | 452 | 28 | 0.098 |
PdI | 0.23 | 0.29 | 0.01 | 0.011 |
Zeta potential (mV) | − 40 | − 36 | 1 | 0.051 |
Formulation | HPH SLN | HPH SLN Lyo | SEM | P value |
|---|---|---|---|---|
Size (nm) | 352 | 394 | 16 | 0.166 |
PdI | 0.30 | 0.27 | 0.01 | 0.049 |
Zeta potential (mV) | − 34 | − 32 | 1 | 0.355 |