Per: DIEMISON LIRA SANTA ROSA (UFPA), Verônica Scarpini Candido (ufpa), Marcos Vinicius da Silva Paula (ufpa)
Abstract:
This study macroscopically analyzes nanoemulsions (NEs) encapsulated with clove bud essential oil (OEC), Eugenia caryophyllus, having canola oil (OCN) as an inhibitor,Brassica napus L., and as a non-ionic surfactant, Tween 80 (T80). In addition, it investigates the oxidative stability and the aggregative tendency of ENs in the medium term, by monitoring pH and turbidity. The NEs absorption profile was obtained by UV-VIS readings (300-800nm), and expressed in absorbance intensities. Thus, tiny variations in pH means were detected (4,13 the 5,14).The analysis of the turbidity, revealed the maintenance of the translucency of the samples during 229 days, with varying percentages between (98,5 and 75,4)%.The absorbance showed a trend towards the violet region with a maximum peak at 395 nm. Soon, the improvement of these NEs will make possible their incorporation in beverages, foods and medicines, to increase the shelf life of the products.