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

Figure 8

SEM images of (a) pure GA and SDs prepared using (b) PVP K15, (c) PVP K17, (d) PVP K30, and (e) PVP K60.

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(b)

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(e)