Navegação Periódicos por autor "Godoy, Helena Teixeira"

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Comparison of capillary electrophoresis and high performance liquid chromatography methods for caffeine determination in decaffeinated coffee

Bizzotto, Carolina Schaper; Meinhart, Adriana Dillenburg; Ballus, Cristiano Augusto; Ghiselli, Gislaine; Godoy, Helena Teixeira (Sociedade Brasileira de Ciência e Tecnologia de Alimentos, 2013-01)

Decaffeinated coffee accounts for 10 percent of coffee sales in the world; it is preferred by consumers that do not wish or are sensitive to caffeine effects. This article presents an analytical comparison of capillary ...
Development of a method for simultaneous analysis of caffeine and taurine in energy drinks by micellar electrokinetic chromatography with diode-array detector

Alves, Alane Cangani; Meinhart, Adriana Dillenburg; Teixeira Filho, José; Godoy, Helena Teixeira (Sociedade Brasileira de Ciência e Tecnologia de Alimentos, 2019-09-19)

The objective of this study was to develop, optimize and validate a fast and reliable method for the simultaneous determination of caffeine and taurine contents by micellar electrokinetic chromatography with diode array ...

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