Formulation and evaluation of nanoemulsion of amphotericin B
Journal Title: International Journal of Novel Trends in Pharmaceutical Sciences - Year 2015, Vol 5, Issue 4
Abstract
Amphotericin B is a synthetic antifungal drug. It is insoluble in water and having high permeability through stomach. This results in poor bioavailability after oral administration. Therefore nanoemulsion containing Amphotericin B was formulated to increase its solubility and bioavailability. Aqueous titration method was used to formulate nanoemulsions and pseudo-ternary phase diagrams were developed to know the nanoemulsion region. Tween 20 was selected as the surfactant and ethanol was selected as cosurfactant for the formulation and mixed in different volume ratios like 1:0 to 1:4 and 2:1 to 4:1. Based on the solubility study sesame oil was optimized as an oil phase. To construct the phase diagram, oil (sesame oil) and smix were mixed thoroughly with the help of magnetic stirrer in different volume ratios from 1:7 to 7:1. Formulated nanoemulsions were then evaluated for drug release, dispersibility, viscosity, surfactant concentration, electroconductivity and TEM analysis. The in vitro studies revealed that nanoemulsion formulation that is NE2 shows better drug release profile (99.58%) when compared with suspension of Amphotericin B (45.56%).
Authors and Affiliations
Harika K , Subhashis Debnath , M Niranjan Babu
Keywords
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