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Objectives: This study's objective was to investigate whether or not a methanolic extract of Mallotus japonicas could decrease H+-K+ ATPase activity and neutralise acid. Materials and Methods: We assessed the total phenolic and flavonoid contents of the sample while it was exposed to varying amounts of standard esmoprazole and methanol extract. Results: The proton pump inhibitory activity of the extract from stomach mucosal homogenate was found to be significant (*P<0.05) and on par with the standard. Conclusions: Based on these findings, it may be concluded that the proton pump can be effectively blocked by the methanolic extract.

Over the years researchers have been making an attempt to improve the potency of utilization of medicament for treatment of numerous diseases. During this endeavour, drug delivery systems have helped greatly by achieving reduced dose, reduced dosage frequency, improved patient compliance, improved bioavailability and maximum concentration of the drug at the target site. Recent years have seen an unprecedented growth in the use of nanotechnology in designing drug delivery systems. Niosomes are vesicles composed of non-ionic surfactants, which are biodegradable, comparatively non-toxic, stable, economical and effective alternate to liposomes. This review is deepening and widening the interest of Niosomes in several scientific disciplines and notably its application in drug delivery. This review additionally presents a summary of the types, methods of preparation, characterization and applications of Niosomes. Keywords:  Niosomes, types, method of preparation, factors affecting and applications