Cuantificación simultanea de conservantes y cafeína en bebidas azucaradas consumidas por los moradores de la provincia de Tungurahua, por espectroscopia ultravioleta

Abstract

Energy drinks such as Monster Energy and 220V, which contribute to increased energy, physical performance and a better mental state of the people who consume it, on the other hand, Coca-Cola light is a carbonated drink made up of sugar in the form of monosaccharides and added caffeine that stimulates the nervous system; In order to preserve the properties and nutritional value of the drink, preservatives such as sorbic acid and benzoic acid are used, recognized by the CODEX192 standard as additives that inhibit the formation of bacteria, molds and yeasts. The concentrations of both preservatives and caffeine in the mentioned beverages were determined, for which a method validated by UV-VIS spectrophotometry was used, the respective absorbances were measured and due to the matrix effect the addition of standard was used, where it was obtained that sorbic acid is present in the three drinks, but with a higher quantity in Monster since it has 46,778 mg-Kg, benzoic acid mostly in 220V 34,415 mg-kg compared to the other drinks, on the other hand, caffeine also It is part of the composition of the three samples, mostly in Monster with 274.276 mg-kg, followed by 220V with 251.017 mg-kg and finally Coca-Cola Light with 40.448 mg-kg. All concentrations are within the ranges established by the CODEX192 and NTE-INEN regulations, however, excessive consumption can cause health problems, therefore, it is recommended not to exceed the daily intake established based on your body weight.