Fig. 6From: Preparation of Glycyrrhetinic Acid Liposomes Using Lyophilization Monophase Solution Method: Preformulation, Optimization, and In Vitro EvaluationDSC (a), XRD (b), and FTIR (c) of GA after lyophilization in TBA/water co-solvent with different volume percentage; (a) GA, (b) 40% TBA, (c) 50% TBA, (d) 60% TBA, (e) 70% TBA, and (f) 80% TBABack to article page