ISSN: 2640-236X
Development and Stability Testing of Emulsions with Myrciaria Cauliflora (Jaboticaba) Peel Extracts for Cosmetic Application
Authors:
 Meira NAN*, Pereira NP, Maciel LF, Menezes-Filho JA and Oliveira SSP
 Interest in healthy lifestyles has renewed the importance given to nature and treatments with natural products. Among such products, the use of jaboticaba (Myrciaria cauliflora), a native fruit from Brazil, can be highlighted for its high phenolic content and good antioxidant activity, especially when using extracts made from its peel. The aim of this study was to analyze the phytochemical profile of jaboticaba peel extracts in order to incorporate them in emulsions, targeting the production of cosmetic formulations. A hydroglycolic extract (HGE) and a hydroethanolic extract (HEE) were prepared by maceration followed by percolation. Physicochemical analysis, thermogravimetric analysis, determination of total phenolic content, and antioxidant activity by DPPH and FRAP assays were performed. The content of metals with antioxidant properties in peels in natura and peels after extraction was also determined. Non-ionic emulsions were formulated to receive the addition of the extracts, which were then analyzed for their organoleptic and physicochemical characteristics, subjected to viscosity and accelerated stability tests, and analyzed for antioxidant activity by DPPH assay. The HGE was shown to be more thermodynamically stable, had a higher total phenolics content and a greater antioxidant capacity by FRAP assay. The HGE also presented a higher concentration of Fe and Mn, considering that lower levels of these metals were detected in the analysis of the peels after extraction. Emulsions showed a pseudoplastic behavior. When different concentrations of HGE were tested by DPPH assay, it was observed that the higher the concentration of extract in the formulation, the better the antioxidant activity. Although both extracts achieved good results, the hydroglycolic jaboticaba extract is more suitable for the type of formulation targeted by the present study.
Keywords:
 Jaboticaba; Peels; Extratc; Emulsion; Cosmetic
