Spectrophotometric determination of tannins and caffeine in preparations from Paullinia cupana var. sorbilis

The present work was designed to quantify the caffeine and total polyphenols in the extractive solution and the granulated form from the seeds of Paullinia cupana var. sorbilis, by the spectrophotometric method. The method showed linearity for the caffeine and polyphenols in the range of 5-25 µg/ml...

Full description

Bibliographic Details

Published in:	Brazilian Archives of Biology and Technology
Main Authors:	Maria Inez de Godoy Pelozo, Mara Lane Carvalho Cardoso, João Carlos Palazzo de Mello
Format:	Article
Language:	English
Published:	Instituto de Tecnologia do Paraná (Tecpar) 2008-06-01
Subjects:	Caffeine Paullinia cupana Total polyphenols Spectrophotometric quantification assay
Online Access:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132008000300002