The Effect of PVP Molecular Weight on Dissolution Behavior and Physicochemical Characterization of Glycyrrhetinic Acid Solid Dispersions

Figure 4

X-ray diffractogram of SDs and PMs of GA prepared using (a) PVP K15, (b) PVP K17, (c) PVP K30, and (d) PVP K60.

(a)

(b)

(c)

(d)