LILACS – Literatura Latinoamericana y del Caribe de Ciencias de la Salud

Development and validation of an analytical method by HPLC-DAD for determination of caffeine in products based on guarana extracts (Paullinia cupana)

Moura-Silva, Anna Kelly; Mano-Sousa, Brayan Jonas; Santos, Lays Pedrosa; Costa, Rafael Serrão da; Andrade, Frank Pereira de; Duarte-Almeida, Joaquim Maurício; Gonçalves, Daniel Bonoto.

Braz. J. Pharm. Sci. (Online); 59 (), 2023

Abstract Guarana (Paullinia cupana) is a native plant from the Amazon whose seeds contain a high concentration of caffeine. Aqueous extract of guarana is widely used in the world. In this study, the objective was to develop and validate a High-Performance Liquid Chromatography method for the determinatio...

Cromatografía Líquida de Alta Presión/métodos, Cafeína/agonistas, Paullinia/efectos adversos, Extractos Vegetales/análisis, Bebidas/clasificación, ddcs0324490, Gestión de la Calidad Total/normas, Semillas/clasificación, Plantas/clasificación

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Association between excess weight and beverage portion size consumed in Brazil

ABSTRACT OBJECTIVE To describe the beverage portion size consumed and to evaluate their association with excess weight in Brazil. METHODS We used data from the National Dietary Survey, which included individuals with two days of food record aged over 20 years (n = 24,527 individuals). The beverages wer...