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Determinación de la cafeína y teobromina en té, café, cacao y los productos a base de hierbas Lumex Instruments – Equipo Analítico 187

Determinación de cafeína y teobromina en té, café, cacao y suplementos dietéticos

INTRODUCTION

The method is used for the determination of the mass fraction of caffeine and theobromine in tea and tea products, coffee and coffee products, cocoa and cocoa products, and dietary supplements.

MEASURING METHOD

Capillary electrophoresis method for the determination of the mass fraction of caffeine and theobromine is based on micellar electrokinetic chromatography (MEKC). Identification and quantitative determination of the components is performed by direct UV detection at the wavelength of 254 nm.

MEASUREMENT RANGE

The measurement range for the components is 100 to 100 000 mg/kg (ppm).
Preservatives (sorbic and benzoic acids), sweeteners (acesulfame K, saccharin, aspartame, cyclamate), sodium glutamate, synthetic dyes, vitamins of the B group, vitamin C, vanillin in the concentrations that are typical for the products of interest does not influence the determination of the components.

ARCHIVO
Determinación de cafeína y teobromina en té, café, cacao y suplementos dietéticosDescargar la aplicación
EQUIPAMENTO PARA ANÁLISIS

Sistema de Electroforesis Capilar Capel-205
Sistema de Electroforesis Capilar Capel-205

Sistema de Electroforesis Capilar Capel-105M
Sistema de Electroforesis Capilar Capel-105M

Determinación de cafeína y teobromina en té, café, cacao y suplementos dietéticos Determinación de cafeína y teobromina en té, café, cacao y suplementos dietéticos - by
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Determinación de la cafeína y teobromina en té, café, cacao y los productos a base de hierbas