Ключевые слова: alertness, alternative, antiinflammatory, antioxidant, argentina, background, beverage, bitter, caffeinated, caffeine, calabash, chimarrao, classic, concentration, drink, energy, gourd, healthy, herbal, hot, infused, infusion, leaves, mate, matero, medicinal, medicine, mental focus, metal, minerals, national, natural, nutrient, polyphenols, saponins, served, south american, steeped, straw, tea, traditional, twig, vegetal, vitamins, wooden, xanthines, yerba,