Journal of Analytical Methods in Chemistry / 2017 / Article / Fig 2

Research Article

Polymorphism in Commercial Sources of Fusidic Acid: A Comparative Study of the In Vitro Release Characteristics of Forms I and III from a Marketed Pharmaceutical Cream

Figure 2

FTIR spectra of FA from Manufacturers A, B, and C demonstrating major differences in the region 1600 cm−1 to 1800 cm−1. Spectra (a) and (b) correspond to polymorphic Form III and show major differences as compared to spectrum (c) which shows polymorphic Form I.