METHYLXANTHINES IN STIMULANT FOODS AND BEVERAGES COMMONLY CONSUMED IN BRAZIL

This work investigated the contents of methylxanthines in 25 types of stimulating foods available in the Brazilian market, totaling 199 samples, from which 264 coffee, tea, and chocolate beverages were made using the most common preparation methods in the country. Among solid foods, soluble coffee powders showed the highest mean content of caffeine (2506 ± 477 mg/100 g), while chocolate powders showed the lowest (25 ± 6 mg/100 g). Nevertheless,...