Ariswan, Fika Fauzi, Sumarna, Citta Mudita, Zen Nurulalawy Istiqomah, Muhammad Miqdam Musawwa, Wipsar Sunu Brams Dwandaru
In this work, we fabricated oil-in-water nanoemulsion of clove oil using ultrasonication method. The clove oil was directly mixed with water and followed by ultrasonication method with a power of 160 W and exposure time of 30 minutes. This nanoemulsion was prepared by merely ultrasonication process without any help of emulsifiers or surfactants. The nanoemulsion clove oil with 0.2 wt.% of clove oil content was formulated with average droplets size around 400 nm. The stability of droplets size of nanoemulsion for the duration of a month was also evaluated. It turned out that the nanoemulsion was table, which is indicated by no changing on UV-Vis spectra of the emulsion after stored for a month without any special handling. These results are preliminary for future advanced research on the nanoemulsion synthesis without surfactants. For the next future, a study on how parameters of ultrasonication process i.e. wattage, frequency and time exposure affect the stability and droplet size of the nanoemulsion should be conducted in order to obtain a functionally stable nanoemulsion of clove oil in water with suitable droplets size. © 2023 Author(s).
Physics Education Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Yogyakarta, Jalan Colombo No 1, Karangmalang, Yogyakarta, 55281, Indonesia; Resesarch Center for Sustainable Nanomaterials, Universitas Negeri Yogyakarta, Jalan Colombo No 1, Karangmalang, Yogyakarta, 55281, Indonesia; Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Jalan Kaliurang Km 14, Sleman, Yogyakarta, 55584, Indonesia
