Table 2: Particle size (PS), zeta potential (ZP), polydispersion distribution index (PDI) and entrapment efficiency (EE%) of the nano-formulations.

  Nano-Formulation   PS (nm)   ZP (mV)   PDI   EE%
  Nanostructured Lipid Carrier
  (NLC)		   NLC-Ginger   461.7±8.584   -25.9   0.356   92.53%
  NLC-Rosemary   476.7±12.3   -32.7   0.45   93.47%
  Chitosan Nanoparticle
  (CS)		   0.5% CS-Ginger   23.3±61.42   0.261   0.722   99.25%
  0.5% CS-Rosemary   22.04± 2.923   1.44   0.670   92.12%
  1% CS-Ginger   45.77±194.4   0.144   0.984   98.91%
  1% CS-Rosemary   33.59±4.001   0.270   0.690   94.51%