Encapsulation of Menthol in Beeswax by a Supercritical Fluid Technique

Figure 2

Influence of the pre-expansion pressure on (a) average particle size, (b) PSD, (c) encapsulation efficiency, and (d) SEM image of the menthol/beeswax particles produced at 10 MPa.

(a)

(b)

(c)

(d)