*2.9. Spray-Drying of Chitosomes*

Before spray drying, the γ-oryzanol-stabilized chitosome dispersion was mixed with maltodextrin solution (40% *w*/*v*) at a mass ratio of 40:60, and stirred overnight at room temperature. Then, the resulting dispersions were spray-dried using a Mini Spray Dryer (Büchi Labortechnik, Flawil, Switzerland). The inlet and outlet air temperature were 130 and 75 ◦C, respectively. Dried powders were stored in airtight containers and placed in a desiccator at room temperature.
