FORMULATION DEVELOPMENT AND IN VITRO ANTIOXIDANT AND ANTIDIABETIC EVALUATION OF ERIOBOTRYA JAPONICA BASED SELF NANO EMULSIFYING DRUG DELIVERY SYSTEM
SELF NANO EMULSIFYING DRUG DELIVERY SYSTEM FOR ERIOBOTRYA JAPONICA
Objective: The aim of the present study was to develop and characterize self-nano emulsifying drug delivery system (SNEDDS) of methanolic extract of Eriobotrya japonica (Thunb.) Lindl. (E. japonica) leaves. Further in vitro antioxidant and antidiabetic potential of an optimized batch of SNEDDS was explored.
Methods: Oil (Labrafil M 1944 CS), surfactant (Tween 80) and co-surfactant (Transcutol P) were selected on the basis of solubility of the methanolic extract. Twenty-seven batches of SNEDDS were prepared with different compositions of oil, surfactant and co-surfactant. The optimized batch was evaluated for its entrapment efficiency, droplet size, polydispersity index (PDI), zeta potential, transmission electron microscopy (TEM). Further, DPPH assay and α-amylase activity were also performed to check the antioxidant and antidiabetic potential of prepared SNEDDS.
Results: The optimized design suggested that 10% of Labrafil M 1944CS, 30% of Tween 80 and 60% of Transcutol P could develop SNEDDS with 208 nm mean droplet size, 99.64% drug loading, 0.156 PDI and-6 mV zeta potential. TEM image confirmed the droplet size less than 100 nm and the spherical shape of SNEDDS. In vitro antioxidant and antidiabetic activities of SNEDDS revealed the increased efficacy as compared to that of the ascorbic acid and acarbose, respectively.
Conclusion: The optimized batch of SNEDDS was found to improve the antioxidant and antidiabetic efficacy of methanolic extract of E. japonica.
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