Evaluación de la concentración de cafeína en cápsulas preparadas a partir de extracto fluido de Ilex guayusa mediante espectrofotometría UV

Abstract

Guayusa is a plant native of the Amazon used by the natives to which several benefits are attributed, one of the main ones is its stimulating and energetic property, this is because one of the main components of guayusa is an alkaloid named caffeine which is part of the methylxanthines, this alkaloid have a stimulating capacity, due to this benefit, the formulation of hard gelatin capsules was made from a 250 mg granulate based on guayusa extract for the subsequent quantification of caffeine by UV spectrophotometry; caffeine was quantificated in the extract and the granules, obtaining an average of 0,12 mg/mL in the extract and 0,04 mg/mL in the granules with a caffeine concentration of 0,01 mg in each capsule that will have pharmacologic effect in the organism.