DEVELOPMENT AND VALIDATION OF A FAST AND SIMPLE HPLC-UV METHOD TO DETERMINE CAFFEINE IN GUARANA (Paullinia cupana) FOOD SUPPLEMENTS

Caffeine and guarana are safe foods according to the American (FDA) and Brazilian (ANVISA) health agencies. However, data regarding the composition, quality, and safety of guarana-based food supplements sold in Brazil are limited. Most of the methods used for quantification of caffeine and other gua...

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Bibliographic Details

Published in:	Química Nova
Main Authors:	Júlia Cecília Pereira Coura, Cláudia Aparecida de Oliveira e Silva, Edvane Santos Silva, Sara Araújo Valladão, Maria Gorette Resende Duarte
Format:	Article
Language:	English
Published:	Sociedade Brasileira de Química 2021-12-01
Subjects:	bioactive substances food supplements high performance liquid chromatography methylxanthines quality control
Online Access:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422021001001353&tlng=en